Don’t be angry with him. He didn’t make the mistake _______.
A. in turn B. on purpose C. by accident D. in total
Much attention should be paid _________people’s living conditions.
A. in improving B. to improve C. improving D. to improving
You can eat food free in my restaurant ________ you like.
A. whenever B. wherever C. whatever D. however
Hurry up, ________you’ll miss the bus.
A. and B. while C. but D. or
—The light in the office is still on.
—Oh, I forgot_________________.
A. turning it off B. turn it off C. to turn it off D. having turned it off
—Have you _________some new ideas?
—Yeah, I’ll tell you later.
A. come about B. come into C. come up with D. come across
