The climbers succeeded in climbing to the top of the mountains, and they owed their success to the preparations they ______.
A. make B. had made C. made D. have made
The students expected there ____more reviewing classes before the final exams.
A. to be B. are C. being D. is
Such things ___ you described in the report seldom happen now.
A. that B. who C. as D. which
At present, how we can look after ______ old is becoming ______ hot and severe issue.
A. the, a B. a, the C. a, a D. the, the
It is the duty of the police to ______ social order.
A. deserve B. reserve C. preserve D. conserve
If children are asked to help with housework, they will feel needed. ______, they will learn to take care of themselves.
A. On the contrary B. In a word C. That is to say D. What’s more
