—Xiao Hua looks unhappy, doesn’t she?----Yes, let’s go and ask______.
A. what wrong is with her B. What wrong was with her
C What is wrong with her D. What was wrong with her.
Allow children the space to express their opinions ________ they are different from your own.
A. until B. even if C. unless D. before
A cook will be immediately fired if he is found _______ in the kitchen.
A. smoke B. smoking C. to smoke D. smoked
People try to avoid public transportation delays by using their own cars, and this ______ creates further problems.
A. in short B. in case C. in doubt D. in turn
—Did you get a ticket?
—No. I______, but there wasn’t any left.
A. had to B. attempted to C. decided to D .managed to
We have finished the project finally . No one can imagine the difficulty we had _____the problem,
A. to solve B. solved C. solving D. solve
