You _____ be 18 years old before you are allowed to drive a car ,and it’s also essential to get a driver’s license
| A．could | B．may | C．can | D．have to |
32._________on the lonely island_________more difficult than they had expected.
| A．Survivor…proved | B．Surviving…proved |
| C．Survival…was proved | D．To survive…proves |
31. —How long_________each other before they_________married?
—For about a year.
| A．have they known, get | B．did they know, were going to get |
| C．do they know, are going to get | D．had they known, got |
30. — Have you ever been to Australia?
— Never, but I have been looking forward _______ such a chance for further study there.
| A．to give | B．to be given | C．to giving | D．to being given |
29. —Shall I call you at 6 a.m., Toby?
—No, not that early. I ____.
| A．sleep | B．will sleep | C．am sleeping | D．will be sleeping |
28. In the coldest of the winter, trees stood with their bare branches(枝干)_________the sky.
| A．reaching for | B．reaching | C．reaching to | D．reaching in |