SHE ……… .OF GREAT HELP TO US SINCE SHE ……… ..WITH US.A. HAS BEEN /...

ĐỀ ÔN TẬP TUYỂN SINH LOP 9

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97. She ……… .of great help to us since she ……… ..with us.

A. has been / has lived B. has been/ lived C. was/ has lived D. was/lived