Nowadays scientists are working hard to find out ______ to do with air pollution
题型:不详难度:来源:
Nowadays scientists are working hard to find out ______ to do with air pollution. |
答案
D |
解析
试题分析:句意:现在科学家们正在努力找出做什么可以解决空气污染问题。how 怎么; why为什么; when何时; what什么。所以选D。 |
举一反三
It is ______ for me to follow the Australian guests because I am good at English.A.bad | B.easy | C.hard | D.right |
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—It"s so late. Why not write the report tomorrow? —But I don"t know _______ I can do it if not now. |
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