中央广播电视大学英语(2)
A. That
B. When
C. What
D. Where
10. They were asked to avoid _______ any water which had not been boiled.
A. drinking
B. to drink
C. having
D. not to be drunk
11. The old man is used to ________ early in the morning.
A. exercises
B. exercise
C. exercised
D. exercising
12. The car won’t start because the battery has________.
A. run down
B. run over
C. run out
D. run off
13. Before joining the army, he spent a lot of time in the village ________ he belonged.
A. which
B. to which
C. to where