—We want to finish the task ahead of time.
—You have to _____________, if so.
| A．speed it up | B．take it up | C．pick it up | D．turn it up |
—Look！Here comes the bus and I have to go now. Thank you for coming to see me off.
—Goodbye，and______！
| A．congratulations | B．cheer up | C．all the best | D．go ahead |
I know Mr. Shuili; we ______ to each other at an English lecture.
| A．are introduced | B．are been introduced |
| C．were introduced | D．had been introduced |
It was ______ in the exam that ______ how much time I had wasted.
A. not until I failed; did I realize B. until I failed; I didn’t realize
Little ______ that we were watching his every move，so he seemed to be going his own
way in this business.
| A．he knew | B．he didn’t know | C．didn’t he know | D．did he know |
Seeing the world-famous pianist standing in front of her, the young pianist ______ a cry of joy and surprise.
| A．left out | B．let out | C．came out | D．spoke out |