What _____ of learning English do you find most difficult? Is it grammar rules or speaking?
A. type
B. form
C. kind
D. aspect
Đáp án: D
Dịch: Bạn thấy khó khăn gì khi học tiếng Anh? Đó là quy tắc ngữ pháp hay nói?
My shoes are dirty. I’d better take them ________before I come in.
The children like to put ___________ nice clothes when they go out.
If you want to save money, you should ________the amount of water your family use
If there is a mechanical problem, we suggest ______ the manufacturer directly.
I think we can practice our listening and speaking skills by _____ .