EVERYONE WAS ASLEEP WHEN THE ENEMY ______.A. WAS ATTACKING B. ATTACKED...

0002: - DE CUONG ON CO DAP AN
Lớp 12 Tiếng Anh DE CUONG ON CO DAP AN
0002:

Everyone was asleep when the enemy ______.

A.

was attacking

B.

attacked

C.

had attacked

D.

attacking