He _______ his homework before he went to bed last night. had done has done was doing did 16/07/2021 Bởi aihong He _______ his homework before he went to bed last night. had done has done was doing did
He _______ his homework before he went to bed last night.had donehas donewas doingdid vì có động từ before nên chọn had+done Bình luận
He _______ his homework before he went to bed last night.had donehas donewas doingdid chọn had done vì đây là cấu trúc của before. Before +qkđ, qkht qkđ: went qkht: had done Bình luận
He _______ his homework before he went to bed last night.
had done
has done
was doing
did
vì có động từ before nên chọn had+done
He _______ his homework before he went to bed last night.
had done
has done
was doing
did
chọn had done vì đây là cấu trúc của before.
Before +qkđ, qkht
qkđ: went
qkht: had done