---Is Peter there?
--- , please. I'll see if I can find him for you.
| A．Hold up | B．Hold on | C．Hold out | D．Hold off |
Exactly ____they did when at last they reached the sea remains a complete mystery.
| A．that | B．how | C．which | D．what |
One thing’s for sure, the fire _____by some cigarette butts.
| A．might cause | B．could have caused |
| C．must have been caused | D．should be caused |
You could ________ this a really nice room if you bought a new carpet.
| A．make | B．turn | C．grow | D．get |
--- You’ve sold your car! You don’t need one?
--- _____. The traffic is too heavy nowadays.
| A．No problem. | B．Never mind. | C．Don’t mention it. | D．Not really |
. --- I think the waiter has forgotten us. We ________ here for over half an hour!
--- I think you’re right. He probably thinks we have already ordered.
| A．are waiting | B．have been waiting |
| C．have waited | D．will wait |