题目内容
【题目】The professor we'd been looking forward to finally ________
A. showing upB. showed up
C. to show upD. being showed up
【答案】B
【解析】
考查句子结构。句意:我们一直期盼的教授终于来了。分析句子结构可知,we'd been looking forward to是定语从句修饰先行词The professor,此处是句子的谓语,其他三项是非谓语结构,故B项正确。
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