Choose one sentence that best rewrites the given sentence

Ex 3. Choose one sentence that best rewrites the given sentence:
1. He often asks me to help him.
A. He is often asked to help them.
B. They are often asked to help me.
I am often asked to help him.
D. I am often asked him to help me.
2. Have they tested all the machines?
A. Have all the machines be tested?
B, Have all the machines been testing?
C/Have all the machines been tested?
D. Have all the machines been being testing?
3. The manager offers me several jobs.
A. I was offers several jobs.
B. I am offered several jobs.
C. Several jobs are offered to me.
D. B and C are correct.
4. Did Shakespeare write this play?
A. Did this play be written by Shakespeare?
B. Was this play written by Shakespeare?
C. This play was written by Shakespeare.
D. Did this play Shakespeare write?
5. Tom bought that book yesterday.
A. That book was bought by Tom yesterday.
B. That book was bought yesterday by Tom.
C. That book yesterday was bought by Tom
D. That book was bought yesterday.