Mobile phones and electronic calculators _______ be brought in the test rooms at exam times.
A. couldn’tB. needn’t
C. don’t have to D. mustn’t
—What’s your plan for the coming summer holiday?
—I’ll devote as much time as I can ________ some voluntary work.
A. to doB. doing
C. doD. to doing
Some people like iphone 6 _______ much that they want it to be on China’s market as soon as possible.
A. veryB. quite
C. tooD. so
—Our head teacher says we should have more sleep these days.
—I don’t agree with his idea __________ he might be right.
A. if B. although
C. unless D. because
—I hear that our boss left for Beijing this morning.
—Really? But he made no ________ of the trip at yesterday’s meeting.
A. attention B. information
C. mention D. attraction
It is said that over 50 percent of China’s population _________ working in the cities in 2013, so there are fewer and fewer people on the farm now.
A. are B. is
C. was D. were