146. What a pity it is that Bob ______ the habit of smoking at such an early age!
| A．developed into | B．slid into |
| C．switched into | D．slipped into |
—I have two tickets for the theatre on Saturday evening. Would you like to ______ me?
—I’d like to, but I’m afraid I have no time.
| A．invite | B．accompany | C．conduct | D．attend |
—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 |