Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm justnow.

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

Government should adopt laws that would banadvertising and other types of ______ of tobacco products.

It was five o’clockThe battle is still ___

The other day, my father drove his car down at ____ I thought was a dangerous speed.