we have done a lot to build a low-carbon economy, but it is________ ideal.We have to work still harder.

281 The shop______ its summer stock to beready for the new winter goods

66Put on your raincoat, _____ it rains

The young dancers looked so charming in theirbeautiful clothes that we took ____pictures of them.

My friend _______ to visit me in a week. –That’s good news for you.