We had been waiting for her two hours before she……….. A.was finally arrived. B.finally arrived. C. Has finally arrived. D. Finally arrives. Giai thich giup minh voi!!!
We had been waiting for her two hours before she……….. A.was finally arrived. B.finally arrived. C. Has finally arrived. D. Finally arrives. Giai thich giup minh voi!!!
Đáp án B
Sau before động từ chia ở quá khứ đơn
`text{B. finally arrived}`
*Giải thích: sau before là QKĐ
form: QKHT+before+QKĐ