—I have no idea ____________ tell her the bad news. —I think tomorrow is the best time.
We should find a _____place for a picnic. I mean, it is not far away from here and it is very quiet.
“Wechat”(微信)really makes a great _____to people’s life. It’s easier for us to keep in touch with others.
---What does “too young to do” mean?--- It means “_____ to do”.
--- Hello! Is that Tom over there? Long time no see. Let’s say hello to him.---Please _____ in the library.
---Mum, where did you put my sweater?---Is it _____ black one? I put it in _____orange box near your desk.