Some exercises appear to be ______ ones you have done, but on ______ second thoughts, you’ll find that they’re different.
| A．/; the | B．the; / | C．the; a | D．/; |
They all went off together to see a movie and left methere alone.
| A．sit | B．sitting | C．sits | D．sat |
—How soon do you think the economy will recover? —________?
| A．What for | B．Who knows | C．Why not | D．How come |
With few people _______ pigs, the price of pork ______.
| A．rising; rises | B．raising; raises | C．rising; raises | D．raising; rises |
—Here’s the key to my car.—Thanks, but I must know where you ______ it.
| A．will park | B．park | C．had parked | D．parked |
Come and see me whenever .
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it will be convenient |