题目内容
It ______ six years since they last saw each other.
A. was B. had been C. is D. would have been
C
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B. rare
C. infrequent
D. missing
B. There are too many taps accessing the water.
C. The population of the area is growing fast.
D. The coming summer will dry up rivers and lakes.
B. A poor transportation system.
C. Too much foreign aid.
D. Too many foreign workers.
B. Laos has a variety of tourist attractions.
C. Information on the Internet is freely accessible.
D. The government owns all local media.
B. Laos: slow-developing nations
C. Laos: least-developed land
D. Laos: landlocked country