— Did you go to the exhibition on May 18th?— Of course. There were many kinds of Taiwan fruits ______.A. on show B. on duty C. on business
— Oh, it’s one of ______ speeches I’ve ever heard.— I agree with you. Her pronunciation is simply terrible.
— Every year, many African children ______ hunger (饥饿).— What bad news! I think we should do some-thing to help them.
My dad is quite busy these days. He has been working for two days without ______.
— Did the young man climb to the top of the mountain in the end?— Yes. But without his friends’ help, he couldn’t do that by ______.
Xi’an is ancient city with long history.