高温老化房:As we have planned, we’ll go to Beijing to attend her sister’s wedding party.

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这是一道选择题,后面还有一句话:We’ll visit our mother school ( ) we go there.
选项为:A.if B. when C. once D. even if我该选哪一个呢?

B. when
As we have planned, we’ll go to Beijing to attend her sister’s wedding party.
说明“我们”一定会去那里,按语境来说,选b比较好

A
if引导的条件状语从句。if前用将来时,是主句。后面用现在时,是从句。如果我们去那儿,我们将会参观我们的母校

B. when

once一旦

b

A