15.-I hear Robert has gone to Harvard University for his master?s degree. -Oh,how nice!Do you know when he ? A.was leaving B.left C.had left D.has left 查看更多

 

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--- I hear Robert has gone to Harvard University for his master’s degree.

--- Oh, how nice! Do you know when he ____?

A.was leaving

B.left

C.had left

D.has left

 

查看答案和解析>>

--- I hear Robert has gone to Harvard University for his master’s degree.

--- Oh, how nice! Do you know when he ____?

A. was leaving   B. left     C. had left    D. has left

 

查看答案和解析>>

--- I hear Robert has gone to Harvard University for his master’s degree.

--- Oh, how nice! Do you know when he ____?

A. was leaving      B. left          C. had left       D. has left

查看答案和解析>>

--- I hear Robert has gone to Harvard University for his master’s degree. 

--- Oh, how nice! Do you know when he ____?

A. was leaving      B. left        C. had left    D. has left

查看答案和解析>>

--- I hear Robert has gone to Harvard University for his master’s degree.

--- Oh, how nice! Do you know when he ____?

A. was leaving      B. left          C. had left       D. has left

查看答案和解析>>


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