―Look! It looks as if it _______ going to rain. We must hurry.
―OK.  
A．wasB．is
C．wereD．will be
B
表示一個(gè)推測(cè)。排除A、C，因?yàn)锳、C用的是過去時(shí)，而D項(xiàng)will be和后面的going to重復(fù)，所以選B。
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