Some people argue using ____________ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.
| A．/; a | B．the; the | C．the; a | D．a; a |
Mr. Zhang gaVeall textbooks to all the pupils, except___________ who had already taken tem.
| A．these | B．dnes | C．the ones | D．the others |
Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.
| A．不填; two | B．不填; the two |
| C．the, three | D．the, the three |
If I had__________ , I’d visit Europe, stopping at all the small interesting places.
A. a logn enough holiday B an enough long holiday
C. a holiday enough long D. a long holiday enough
The news about the terrible flood there greatly discouraged __________ there for a sightseeing.
| A．us from going | B．us to go | C．our going | D．our to go |
He's unlucky,and he's always suffering____________ luck one after another.
| A．a sick | B．an ill | C．sick | D．Ill |