(Viên chức Mầm non) 30 đề ôn thi tiếng Anh có đáp án - Phần 21

When the party was _______ , we helped them clear up the room.

11/30

When the party was _______ , we helped them clear up the room.

up

off

out

over

Giải thích

Chọn đáp án D