She says that she'll have to close the shop ________ business improves.
| A．if | B．unless | C．after | D．when |
---Has your father come back from Africa?
--- Yes, but he ______ here for only three days before his company 
sent him to Japan.
| A．was | B．has been | C．will be | D．would be |
---How did the plan strike you?
---Great, indeed!_______. I can not speak too highly of it.
| A．In fact | B．Be sure | C．After all | D．As a result |
1. official A. stone B. goldC. clothes D. position
2. minute A. bury B. busy C. lunch D. argue
3. noun A. country B. brought C. southern D. mountain
4. stomach A. match B. machine C. Christmas D. chimney
5. exist A. exercise B. exploration C. examine D. expression
Some people create jobs, foster(滋生）excitement and basically make the system work. They see possibilities ______ others see only problems.
| A．that | B．what | C．which | D．where |
. You can’t complain of being lonely you don’t make any effort to meet people．
| A．until | B．when | C．once | D．though |