From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
A.why | B.how | C.because | D.whether |
I am quite sure that Mr. Smith will take up his story ___ he stopped yesterday.
A.that | B.in which | C.where | D.on which |
–What is the theme about for the meeting this evening?.
--No idea. Perhaps we will have to discuss the plan ___ a few days later.
A.carried out | B.being carried out | C.to be carried out | D.carrying out |
Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.
A.sensitive | B.addicted | C.allergic | D.efficient |
With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.
A.running out | B.to use up | C.run out of | D.using up |
I was not hearing to the teacher, or else I ___ his questions.
A. answered B. had answered C. would have answered C. have answered