It took him a long time to ______ the skills needed to become a professional artist.
A. acquire B. inquire C. Require D. request
We should take care of the blind. It is immoral to _______ them.
A. make room for B. make fun of C. make up for D. make use of
Look out! Don’t get close to the building. It _________.
A. was rebuilt B. has been rebuilt C. is being rebuilt D. had been rebuilt
If you _______ spit at all. please spit in the bucket provided.
A. shall B. must C. should D. may
He is sweating heavily. He _______ weightlifting for a long time.
A. could have practiced B. can practice C. must have practiced D. might practice
What he said just now had little to do with the question _____ discussion.
A on B in C under D at
