Câu hỏi:

My sister hair isn't _______

Who is going to __________ your children when you’re at work?

Mary’s eyes are weak, __________, she has to wear glasses.

The children like to put ___________ nice clothes when they go out.

What _____ of learning English do you find most difficult? Is it grammar rules or speaking?

If there is a mechanical problem, we suggest ______ the manufacturer directly.

If you want to save money, you should ________the amount of water your family use