It

________ such heavy pollution already, it may now be too late to clean up the river

---Is the bookstore _______ now? ---No, it’s __________.

I know Jonathan quite well and never doubt 　　　　he can do a good job of it.

---Did you have a good time in Thailand last week? --- ______, it was too hot.

How strange it is      the children are so quiet!

It’s the third time you have made the same mistake．You      more careful．

It has been ten years since the Labour Party came into ______ in that country.

Don’t worry about the kids. I think they can do it__________

It turned out that the man was an excellent policeman working in New York , _____ had contributed a lot to the case.

The Web also provides an environment in which it is quick and easy to ______ ideas with colleagues.