She sang a song. Her voice________ sweet.

A.heard B.sounded

C.listened D.tasted

It’s important ____ the piano well.

A. of him to play B. for him to play

C. of him playing D. for him playing

-- How does your sister learn Russian, Mike?

--She learns it _______ listening to the tapes.

A. of B. by

C. in D. for

I found it difficult to get to sleep at night.(改写同义句)

I found _______ ________ difficult to get to sleep at night.

The problem is so difficult that I can’t do it.（同义句转换）

The problem is________difficult for me________do.

Shall we go to the movies?（同义句转换）

______going to the movies?

I’m too busy to chat with you on QQ now. (改为复合句)

I’m _______ busy _______ I can’t chat with you on QQ now.

Jeff_______(study)for a math test yesterday.

It really improves her _______(speak)skills.

Reading English every day will help to improve your __________(发音)