Đáp án: D
Giải thích: Sau “the” cần một danh từ.
Dịch: Có rất nhiều điều đơn giản chúng ta có thể làm để ngăn chặn sự tàn phá môi trường.
We got lost because we didn't have a map.
=> If ______________________________.
The boys said, “We have to try our best to win the match.”
=> ____________________________________.
He performed better than he was expected.
=> He was ____________________________.
This is my first visit to Scotland.
=> I have ______________________.
When did you start to listen to classical music?
=> How long _____________________________.
It took Mr. Hoang half an hour to walk to work yesterday.
=> Mr. Hoang spent ___________________.John's reaction at the party surprised me.
=> I was _____________________.
People know that cars pollute the environment.
=> It __________________________________________.
Điền giới từ thích hợp: Who will take ______ your position when you are on parental leave?