2. 职称英语
  3. Bob’ leg got hurt ______ the Purple Mountains.A、while he is climbing upB、when w

Bob’ leg got hurt ______ the Purple Mountains.A、while he is climbing upB、when w

游客2024-07-03  36
问题 Bob’ leg got hurt ______ the Purple Mountains.
选项 A、while he is climbing up
B、when we were climbing up
C、while we climbed up
D、when he climbed up
答案 B
解析 考点为从句时态。A)，B)，C)，D)四项选择似乎在结构上都是正确的。那么哪一项适合填入空中?主句为过去时，那么A)可排除。我们知道 while和when相比，前者更倾向于表现时间的延续性，经常和进行时连用，因此B)为最佳选择。
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