问题
选择题
Most of the sandstorm in our country in spring from March to May.
A. happen B. happens C.is happening
答案
答案：B
时态题。 根据句意用一般现在时。
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Most of the sandstorm in our country in spring from March to May.
A. happen B. happens C.is happening
答案：B
时态题。 根据句意用一般现在时。
