–How clean your car is! --Thank you. It _____ very often.
A. is washed B. washes C. was washed D. washed
Julie didn’t leave her office _____ the police arrived.
A. however B. whenever C. while D. until
Jiefangbei is not far from Chaotianmen. You can easily visit _____ in a day.
A. each B. none C. both D. neither
You’d better take care, _____ you will hurt your eyes.
A. so B. but C. or D. and
Helen loves reading. She has read _____ books this month.
A. five B. fifth C. five of D. fifth of
It’s surprising that Mr. Ma’s little daughter _____ speak English so well.
A. must B. can C. mustn’t D. can’t