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> Wewon’tknowhowtheplanworkstillwehave    .A.triedonit   ...

Wewon’tknowhowtheplanworkstillwehave    .A.triedonit   ...

问题详情:

Wewon’tknowhowtheplanworkstillwehave    .A.triedonit   ...

We won’t know how the plan works till we have    .

A. tried on it                          B. tried on

C. tried out it                         D. tried it out

【回答】

D

知识点:动词

题型:选择题

标签: Wewon Atriedonit
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