Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 7 to 21.

John will start doing homework_______.

A. as soon as he finishes his lunchB. after he had finished his lunchC. when he finished his lunchD. before he finished his lunch

Đáp án đúng là: A

TLD + liên từ + HTD/HTHT.
Tạm dịch: John sẽ bắt đầu làm bài tập về nhà ngay sau khi ăn trưa xong.