Scientists say it may be five or ten years _______ it is possible to test this medicine on human patients.
A. after B. before C. since D. when
I send you 100 dollars today, the rest _______ in a year.
A. follows B. followed C. to follow D. being followed
Taking a plane is the quickest _______ to get to Tibet.
A. mode B. manner C. means D. method
Though he is a(n) _______ worker, he works very hard.
A. ordinary B. common C. usual D. general
_______ two exams to worry about, I have to work really hard this weekend.
A. With B. Besides C. As for D. Because of
The hospital is _______ tests to find out what’s wrong with the little boy.
A. carrying out B. carrying forward C. making up D. making out
