Mr. Green (teach) _____ English in this school since he (graduate) _____ from the university in 1986.
Đáp án: has taught/graduated
Giải thích: Sự phối thì với “since”:
+ Mệnh đề sau “since” chia quá khứ đơn
+ Mệnh đề còn lại chia hiện tại hoàn thành
Dịch: Thầy Green dạy tiếng Anh ở trường này kể từ khi anh ấy tốt nghiệp đại học năm 1986.
Write a paragraph (about 100 words) to talk about benefit of sharing household chores in the family.
In order to stay healthy, make sure you have a balanced intake of vitamins and minerals.
Because of a high birthrate and considered immigration, the United States population in the late nineteenth century increased tremendously from 31 million in 1860 to 76 million in 1900.
This is the first time I've ever painted a mural over graffiti.
=> I have never ______________________________.
I didn't buy it because I didn't have enough money.
=> If ______________________________.