--I am sure Mary will win the first place in the coming competition.

--I think so. She ________ for it for months.

A. has prepared B. has been preparing

C. had prepared D. prepared

I would have gone to my cousin’s birthday party last night, but I was not .

A. available B. accessible

C. acceptable D. adequate

The streets are all dry. It _____ during the night.

A. must have rained B. should have rained

C. can’t have rained D. couldn’t rain

Old-fashioned phones matter when wireless networks __________ in disasters.

A. break out B. break up

C. break in D. break down

People are talking about the new play in two weeks.

A. to be put on B. being put on

C. put on D. puts on

He began to take political science ________ only when he left school.

A. strictly B. seriously C. carefully D. truly

Why don’t you bring ____ to his attention that you are too busy to do it?

A. that B. what C. it D. which

As a rule, domestic servants doing odd jobs are paid_______.

A. by hour B. by an hour

C. by hours D. by the hour

That tree, _______ branches are almost bare, is very old.

A. of which B. on which

C. in that D. whose

--Can I help you with the heavy bag?

--______.

A. Thank you. B. It doesn't matter.

C. No, I am all right. D. Really?