题海让大学四年没有难题
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单选题 Transfer this Active Voice sentence into the Passive one: Workers installed an air conditioning system at his house 4 days ago. ​

A. He had his home air conditioning system installed 4 days ago.​

B. He installed his home air conditioning system 4 days ago.​

C. He had his home air conditioning system been installed 4 days ago.​

D. He had his home air conditioning system had installed 4 days ago

大学英语精读II课程封面

学科:大学英语精读II

时间:2024-06-17 12:51:32

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