-----Someone is knocking at the door.It ____ be Tom .
-----No, it ______ be him ;he has gone to Sydney.

----Shall I go and buy more food and drinks for the party ?
----- No, we have prepared a fridge of those.That ____ be quite enough.

When we were young, every evening my brother and I _____stay at home waiting for our mother to come back from work.

---- Daddy ,can you buy me a new MP3 when you go to Beijing?
-----You ____ get one if you are admitted to a key middle school.

Tom likes driving and he ______drive his car to the party, but I’m not quite sure about it yet.

The weather in the south is generally warm, but it________ be very cold sometimes.

—How dangerous it was!
—Yes, but for the passer-by’s quick action, the girl ________.

—Mary broke up with me!
—You_ _have forgotten about the Valentine's Day．

—Could you please have my car ready today?
—Sure, the damage is not that serious, so it _____be ready by 5: 00 pm.

He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.