----When _____ Mr. Green _____ to the town?
---- Last December.
| A．did; came | B．does; came |
| C．did; come | D．does; come |
Many countries are using natural gas , wind and other forms of ________ .
| A．model | B．force | C．energy | D．subject |
—Where are you hurrying ?
—To take the driving test .
— ____________ .
| A．Be careful | B．Have a good tome | C．Congratulation | D．Good luck |
These young orange trees need special care _______ they can live through winter .
| A．for | B．because | C．so that | D．unless |
—Can you tell me _________________?
—Sure , she is a nurse in No.1 hospital .
| A．what your mother is | B．what is your mother |
| C．who your mother is | D．who is your mother |
—Is your friend looking forward to going on vacation this summer ?
—Yes, she’s _______the days .
| A．enjoying | B．spending | C．living | D．counting |