—Why? Where is the key to the meeting room?
—Dear me! You ______ it in the taxi!
| A．had never left | B．didn’t leave | C．never left | D．haven’t left |
—Hi, Lucy, I’m wondering whether I can use your mobilephone for a while.
—I hate to say, but ______.
| A．it’s being repaired | B．it has been repaired | C．it’s repaired | D．it had been repaired |
The bus crashed into a truck in front of it, ______ 40 deaths and more wounded.
| A．cause | B．causing | C．caused | D．to cause |
I bought a dress for only 10 dollars in a sale; it was a real ______.
| A．exchange | B．business | C．bargain | D．trade |
Will you have a free evening tonight? ______, let’s have a dinner together.
| A．If not | B．Why not | C．If so | D．What’ more |
—Would you like to come on Friday or Saturday?
—______
| A．Yes, of course. | B．Another is better. | C．What’s the matter? | D．Either is OK. |