> 英语 >
____inthe queue for half an hour,Tom suddenly realized that he had left his wallet at home
a:Towait
b:Have waited
c:Having waited
d:To have waited
人气:308 ℃ 时间:2020-04-01 03:07:16
解答
C
wait的行为也是由Tom做得,并且两个动作是同时发生的.所以用进行时态的分词.
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