It is true that at times the U.S.A. has experienced periods of _______ unemployment as well as labor shortages.
A. available B. acute
C. accessible D. ashamed
We would appreciate it if customers don't______ to leave their suggestions and expectations for our product.
A. hesitate B. pretend C. undertake D. offer
Lily was talking to our teacher about examination, when suddenly Tom _______.
A. cut off B. cut out C. cut up D. cut in
While I_________that he is an excellent leader,I don’t think he can do a good job in this company because he is too careless.
A. reflect B. recommend C. acknowledge D. urge
The two Chinese scientists have made a wonderful discovery, which marks a major _______ in the basic research in the field.
A. reform B. approach C. boundary D. breakthrough
The incident caused a hot discussion on the Internet, but the local government had no immediate _______ on it.
A. adjustment B. commitment C. comment D. document
