After losing contact for twenty years, they met again _________ in a party.
| A．by mistake | B．by coincidence |
| C．on purpose | D．on display |
Though _______ money, his parents managed to send him to university.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
________ when the door burst ______.
| A．Hardly did he collect the papers on his desk; opened |
| B．No sooner had he collected the papers on his desk; opened |
| C．Hardly had he collected the papers on his desk; open |
| D．No sooner did he collect the papers on his desk; open |
In order to improve English, _______.
| A．Jeo’s father bought her lots of tapes | B．Jeo bought lots of tapes for herself |
| C．Lots of tapes were bought by Jeo | D．Lots of tapes were bought by Jeo’s father |
-----It is long since we met last. Haven’t you graduated from college yet?
----- _____. I ____ English for 3 years in Lanzhou University.
| A．No; study | B．Yes; have studied | C．No; am studying | D．Yes; studied |
Would it be ___ for you to help me take my luggage upstairs?
| A．free | B．vacant | C．handy | D．convenient |