Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Indirect Speech To Direct Speech-Changes in words and expression of Time and Place:

You sometimes have to change other words or phrases, such as those referring to time or place:

• Parul said she had filed the complaints two days before. (Indirect Speech)
• Parul said, "I filed the complaints two days ago." (Direct speech)

In the question : -

My mother said those snakes were for our Guest.

The direct speech of the above sentence is :

My mother said, "These snakes are for our Guest" . 

While converting into direct speech , firstly place reporter ' speech into inverted into commas , then change those into these and use are as helping verb , then the objective part our guest .

Thus , the Correct Option is B , which is My mother said, "These snakes are for our Guest" .

Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Indirect Speech To Direct Speech-Changes in words and expression of Time and Place:

You sometimes have to change other words or phrases, such as those referring to time or place:

• Parul said she had filed the complaints two days before. (Indirect Speech)
• Parul said, "I filed the complaints two days ago." (Direct speech)

In the question : -

She said that she had seen him that day.

The direct speech of the above sentence is :

She said , "I saw him today" .

While converting into direct speech , firstly place reporter ' speech into inverted into commas , then change she pronoun into I according to the first person , then that day into today , then change past prefect into simple past means had seen is converted into saw , then the objective part him .

Thus , the Correct Option is D , which is She said , "I saw him today" .

Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Indirect Speech To Direct Speech-Changes in words and expression of Time and Place:

You sometimes have to change other words or phrases, such as those referring to time or place:

• Parul said she had filed the complaints two days before. (Indirect Speech)
• Parul said, "I filed the complaints two days ago." (Direct speech)

In the question : -

1. She said that she had an appointment the following week.

The direct speech of the above sentence is :

She said , "I have an appointment next week" .

While converting into direct speech , firstly place reporter ' speech into inverted commas , then she is converted into I according to first person  then change next week into the following week and then change present perfect into past perfect means have is converted into had , then the objective part appointment .

2. They said that they would come in two days time/ two days later.

The direct speech of the above sentence is :

They said , We will come the day after tomorrow" .

While converting into direct speech , firstly place reporter ' speech into inverted commas , then they is converted into we according to first person  then change in two days time/ two days later into the day after tomorrow and then change would into will .

Thus , the Correct Option is A , which is 1. She said , "I have an appointment next week" . 2. They said , We will come the day after tomorrow" .