He began to take political science ________ only when he left school.
A. strictly B. seriously C. carefully D. truly
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
Old-fashioned phones matter when wireless networks __________ in disasters.
A. break out B. break up
C. break in D. break down
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
I would have gone to my cousin’s birthday party last night, but I was not .
A. available B. accessible
C. acceptable D. adequate
--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
