Peter has worked for our company _______ 1999, _______ nearly ten years. _______ the time, he has been working very hard. A. since / for / During B. for / in / At C. on / from / For D. throu

Peter has worked for our company _______ 1999, _______ nearly ten years. _______ the time, he has been working very hard.

A. since / for / During     
B. for / in / At   
C. on / from / For    
D. through / about / On

Trả lời

Chọn đáp án A

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