问题
选择题
A group of middle school students spent two weeks _____ the jungle.
A．trekking through
B．trekking across
C．to trek across
D．to trek through
答案
答案：A
题目分析：句意：一群中学生花了两周的时间穿越丛林。Spend time doing sth意为“花费时间做某事”；trek through意为“从中间穿过”，trek across意为“从上面走过”，故选A。
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