Mary’s eyes are weak, __________, she has to wear glasses.
A. but
B. however
C. and
D. therefore
Đáp án: D
Dịch: Mắt Mary Mary rất yếu, vì vậy, cô phải đeo kính.
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.
What _____ of learning English do you find most difficult? Is it grammar rules or speaking?
I think we can practice our listening and speaking skills by _____ .