I have been ………… many beautiful places in Viet Nam.
A. at
B. on
C. in
D. to
Đáp án: C
Dịch: Tôi đã từng đến nhiều địa điểm đẹp ở Việt Nam.
If you want to know which film is on tonight, check the TV …………..
Watching too much TV is not good for your health ………. it hurts your eyes.
The atmosphere is getting more …………… because there is more smoke from factories and motor engines.
Let's Learn is a TV programme for small children which makes education ………..
………… doing morning exercises is good for your health, don't do it too hard.
………… is the longest river in the world?" - "I think it's the Nile River