—— The experiment is of particular importance.
—— I see. We won’t carry on with it _______ we can get the good equipment.
| A．until | B．unless | C．whether | D．after |
－Did you enjoy your journey to the town?
一．We had driven more than 3 hours before we found the right way．
| A．Absolutely | B．No way | C．Not at all | D．Quite a lot |
一I still cannot figure out why he missed his flight．
一Hean accident on the way to the airport．
| A．could have had | B．should have had |
| C．would haye had | D．must have had |
Mr．Smith is a good teacher except that hesome of his students by criticizing tbem whenever they make a mistake．
| A．puts down | B．puts up | C．put s off | D．puts away |
Modern technology has brought us so much convenience--we can now do many things
Throughwe call the Internet．
| A．how | B．what | C．which | D．that |
You can’t go out since you haven’t finished your homework；，it is a stormy night．
| A．anyhow | B．meanwhile | C．therefore | D．besides |