When problems such as energy crisis ,pollution and population explosion___,people are asked to share the bitterness and endure the hardship with all the whole nation of the timesA.Are arisenB ariseC arisingD.ArisenKey.B.Why
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When problems such as energy crisis ,pollution and population explosion___,people are asked to share the bitterness and endure the hardship with all the whole nation of the timesA.Are arisenB ariseC arisingD.ArisenKey.B.Why
When problems such as energy crisis ,pollution and population explosion___,people are asked to share the bitterness and endure the hardship with all the whole nation of the times
A.Are arisen
B arise
C arising
D.Arisen
Key.B.Why
When problems such as energy crisis ,pollution and population explosion___,people are asked to share the bitterness and endure the hardship with all the whole nation of the timesA.Are arisenB ariseC arisingD.ArisenKey.B.Why
arise为动词,用法为sth arise.
如果没有了中间详尽的说明,句子便是这样:
When problems arise,.....
简单现在式句式