21. They went boating in the river and had a picnic on the river bank before ________.
A to go home late in the evening B. went home late in the evening.
C. going home late in the evening D. has gone home late in the evening.
Bạn đang xem 21. - Đề ôn thi vào lớp 10 môn tiếng Anh năm học 2018 - 2019 (Đề luyện 29)