WE HAVE ……….WRITTEN OUR REPORTS. A. FOR B. ALREADY C. SINCE D. YET

1. - BÀI GIẢNG KIEM TRA 15'''' ANH9
BÀI GIẢNG KIEM TRA 15'''' ANH9

1. We have ……….written our reports.

A. for

B. already

C. since

D. yet