Sophie dreams of walking in __________ outer space like __________ astronaut one day.
| A．/; the | B．/; an | C．an; an | D．a; an |
_____, I think, and you will settle the problem.
| A．So long as you make your effort |
| B．If you make your effort |
| C．Making great effort |
| D．A bit more effort |
We can never expect _____ bluer sky unless we create _____ less polluted world.
| A．the; the | B．the; a |
| C．a ; the | D．a; a |
--- My husband and I really liked that car, but we didn’t have enough money at that time.
--- Or you _____ it. What a pity!
| A．bought | B．had bought |
| C．would buy | D．would have bought |
--- Do you mind if I leave my car here for a minute?
--- ______.
A. Great! I love cars
B. Of course not. It’s not allowed here
B. No, you can’t
D. I’d rather you didn’t, actually
If he takes on this work, he will have no choice but _____ an even greater challenge .
| A．meets | B．meeting | C．meet | D．to meet |