Progress ________very good so far and we are sure that the work will be finished on time.
A. was B. had been C. has been D. will be
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