Hi, Torry, can I use your computer for a while this afternoon?—-Sorry.________.

____ students get up at six and ____ get up at six thirty.

Do you know ________ man who is standing under the tree? —-He is my new English teacher, Mr Hu.

I ______ my sister ______ the host of the party.

The possibility _________ we won’t produce enough goods troubles everyone here.