So far we have done a lot to build a low—carbon economy, but it is ____ideal. We have to work still harder.

I’ve been away for only three years, _____ I can hardly recognize my hometown

The weather in my hometown in summer is usually very hot but it ________ be cold sometimes.[ ]

I wish it be fine tomorrow.

I was at the cinema at nine o’clockyesterday evening. What about you?—I ________ TV at home.