--- Shall we take the 10:20 train?
--- No. If we took that train, we ________too late.

I suggested to my mother that she_______a drawing club after her retirement form teaching.

---Your composition is full of mistakes.
---I wish I______more careful.

---- Can I borrow your car?
---- Sorry. My car __________ at the garage.
is being repaired  B. is repaired                      C. will be repaired      D. has been repaired  

Cell phones _______ by more and more teens and many new functions _______ to them nowadays.

Professor Smith, along with his assistants, ______ on the project day and night  to meet the deadline.

—Why are you looking so worried?
—I sent an email to my son in America last week, but no reply ________.

—May I remind you that a Mr. Zhang is waiting downstairs, sir?
—Oh, dear. I ________ about it.

More than 60 million people in southwestern China ________the drought nowadays as a result of less rainfall, environmental damage and so on

In the past few months, the central bank governor and others ______ measures to prevent prices from rising too fast．