By the time John ________ to help, we ________ the work. A. comes / finished B. comes / will have finished C. will come / will have D. came / have finished

By the time John ________ to help, we ________ the work.

A. comes / finished
B. comes / will have finished
C. will come / will have    
D. came / have finished

Trả lời

Chọn đáp án B

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