---Do you know Miss Tang?---Yeah, she is an excellent teacher, ______she is famous ______a wonderful singer in our school.
Look, Jim _______ football on the playground.
---Why did you laugh just now? ---Ted wanted to tell us _____ very funny story, but he forgot ______ ending himself.
It’s too dangerous to cross the road _____
I have ______ the book for two days.
---I wonder if he ______ this weekend, ---If he _____ , I’ll let you know.