We _______ on it for several hours but we have not yet reached any conclusion.
| A．work | B．areworking | C．havebeenworking | D．havebeenworked |
Come and see me whenever ．
| A．it is convenient for you | B．you will be convenient |
| C．you are convenient | D．it will be convenient for you |
Lucy is a very optimistic girl．she is faced with a difficulty, she always sees the bright side．
| A．Now that | B．Every time | C．As soon as | D．On condition that |
Her fairy tales didn’t kids probably because she employed too many scientific terms．
| A．refer to | B．apply for | C．appeal to | D．intend for |
—How did he get my telephone number?
—You ________ it . You told him last week．
| A．should have forgotten | B．may have forgotten |
| C．must have forgotten | D．could have forgotten |
When I got back home, I saw a message pinned to the door“ Sorry to miss you, I will call later.”
| A．read | B．reads | C．to read | D．reading |