题目内容
This means going back to the place where we left the family ____ in a tree the night before.
| A.to sleep | B.to be sleeping | C.slept | D.sleeping |
D
考查非谓语。the family与sleep为主谓关系所以用现在分词作补语。句意:这意味着我们要返回前天晚上这一家睡觉的地方。
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