PLEASE CORRECT THE ANSWERS ACCORDING TO THE QUESTION BELOW.

insert the prepositions in the following sentences :

1) he was christened Stephen UNDER his father,buthe answer IN the name of George.

2)He has not been heard since for years no one knows what has become to him.

3)do you belive in ghost? I asked . She burst out with laughter.

4)Please turn the radio on.I cant concentrate on my work.

Please learn to spell "grammar" correctly -- and please do not use all-caps in your writing. It's considered rude (shouting) when you're writing online.

1. by (not under) -- I don't understand the meaning of the second half of the sentence.

2. He has not been heard of for years. No one knows what has become of him.

3. "Do you believe in ghosts?" I asked. (The rest is correct.)

4. correct

4. can't (not "cant")

Sure! Here are the corrected sentences with the appropriate prepositions inserted:

1) He was christened Stephen BY his father, but he answered WITH the name of George.
Explanation: The preposition "by" is used to indicate the person who performed the action of christening, and "with" is used to indicate the tool or method used to answer.

2) He has not been heard from since, for years no one knows what has become OF him.
Explanation: The preposition "from" is used to indicate the source from which someone is heard, and "of" is used to indicate what has happened to the person.

3) Do you believe in ghosts? I asked. She burst out laughing.
Explanation: The sentence does not require any prepositions.

4) Please turn the radio on. I can't concentrate on my work.
Explanation: The sentence does not require any prepositions.