—Let’s go fishing this afternoon.—____A. Good idea. B. Yes, I’d love to. C. I like fish a lot.
Did you see them ____ basketball this morning?
He didn’t study hard, so he was afraid ______ in the exam.
I had some problems _____ my homework.
Can you learn English ________ chatting on the Internet?
He thinks _____ history about Chinese is very important.