— The teacher asked us ________________A. What the bad effect of pollution are.B. What were the bad effect of pollution.C. What the bad effect of pollution were.
Learning_______ country's language is a better way knowing of_______ culture behind it.
- My family will go to Hainan to spend the winter holiday. - Oh, wonderful! _______.
She_______ the homework today. She may do it tomorrow.
He eats_______ sweet food, so he becomes_______ fat.
- Do you often get some presents_______ Christmas Day? - Yes. And we usually hold a party_______ it.