We have to work hard; ______ we’ll lose the chance.
A. therefore B. otherwise C. besides D. however
We ______ for one hour and a half and it is about time we ______ a rest.
A. trained; take B. have trained; took
C. are training; will take D. had trained; to take
They would not allow him _______ climbing Mount Everest.
A. to risk to B. to risk going C. risking going D. risk going
_____ books you have borrowed from the library should be returned in two weeks’ time.
A. Whatever B. However C. No matter what D. What
Doctors believe that only a small number of people ____ of this kind of disease.
A. is in danger B. is in a danger
C. are in danger D. are in the danger
Brain told you that there wasn’t anyone in the room at the moment, ______?
A. was there B. wasn’t there C. didn’t he D. did he
