题目内容
—David didn’t take part in the volleyball match last night.
—Yes.That was________he had injured his foot in the training.
A.why B.because
C.whether D.what
B 考查表语从句。根据对话提供的情景,上句“没有参加比赛”是结果,下句“他在训练中脚受伤了”是原因,故用because引导表语从句。That is because...那是因为……,because后接原因;That is why...那是……的原因,why后接结果。
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