__________ the program , they have to stay there for another two weeks.
| A．Not completing |
| B．Not having completed |
| C．Not completed |
| D．Having not completed |
Peter:“What made you so delighted at Christmas?”
Mary: “_____________________”
| A．I received many more presents than others |
| B．Because my parents promised me a new car |
| C．My uncle’s coming back from abroad |
D．As there was an unusual celebration |
Mary would rather_______ inside_______ while I would rather she________
to go shopping with her friends.
| A．stay; reading; went | B．stay; reading; goes |
| C．stayed; to read; goes | D．stayed; reading; would |
He advised farmers to choose the best seed-heads ,__________ that had the best color .
| A．不填 | B．ones | C．this | D．the ones |
Great changes have taken place in that factory. It is no longer ____
_____
it was 20 years ago,_____ it was so poorly equipped.
| A．what ,when | B．that ,which | C．what ,which | D．which ,that |
When first __________to the market ,these products enjoyed great success .
| A．introducing | B．introduced | C．to introduce | D．being introduced |