Having a trip abroad is certainly good for the old couple, but it remains______whether they will enjoy it.
| A．to see | B．to be seen |
| C．seeing | D．seen |
My father did buy the CD, ________ he actually doesn’t appreciate the music in it at all.
| A．so | B．because | C．while | D．or |
–Are you available at 3 tomorrow afternoon?
--Sorry, I ________ a meeting at that time.
| A．am having | B．will be having | C．will have | D．have |
Jim who is now our English teacher once ________ as a manager in an international cooperation for 5 years.
| A．has worked | B．had worked | C．was working | D．worked |
It is a common practice in China that the bride at the weeding ________ be dressed in red to ensure good luck.
| A．can | B．may | C．must | D．would |
–When did he come back last night?
--It was at 8 o’clock ________ I was watching a documentary on TV.
| A．since | B．that | C．when | D．which |