Now we can fly to Tokyo. There was a time ______ we had to take a boat.

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问题 Now we can fly to Tokyo. There was a time ______ we had to take a boat.

选项 A、how
B、what
C、why
D、when

答案D

解析 本题为语法结构题。a time 在从句中作时间状语,因此,应该用 when 引导时间状语从句。本句大意为:现在我们可以坐飞机去东京,我们曾经不得不坐船去。
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本试题收录于: 英语题库成考专升本分类
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