How long is it since John _______ collecting memorabilia?
starts
started
has started
had started
Đáp án : B
Sau “Since” là một mệnh đề ở thì quá khứ đơn.
How long is it since John started collecting memorabilia?
(Đã bao lâu kể từ khi John bắt đầu sưu tập đồ mưu niệm?)
Các bài tập cùng chuyên đề
This camera helps you _______ a perfect image of the landscape you’re enjoying.
The dinner was a real _______. I wished we had gone to another restaurant.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is CLOSEST in meaning to each of the following questions.
Jack prefers going camping in the countryside to playing computer-based activities.