单选题
27.
I think it was high time they ______ to take you more seriously.
A、
began
B、
should begin
C、
begin
D、
begun
【正确答案】
A
【答案解析】
It was high/about time that sb. Should do/did....虚拟语气的考点,根据这个条件得出A或B均可。
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