The house could fall down soon if no one some quick repair work.A．has done
题型：不详难度：来源：
The house could fall down soon if no one some quick repair work.| A．has done | B．is doing | C．does | D．had done |
|
答案
| C |
解析
| 考查时态。在if引导的条件状语从句中，当主句中含有情态动词时，从句用一般现在时。注意此处主句中的could表示不太肯定的语气，不是一般过去时的标志。 |
举一反三
Fan Bingbing is easy to recognize as she’s the only one of the women who________ the bright evening dress tonight.| A．wear | B．wears | C．has worn | D．have worn |
|
Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.| A．are to challenge | B．may be challenged | | C．have been challenged | D．are challenging |
|
The Tibetans in the Himalayas for centuries and have adjusted to the conditions at________.| A．has live; a such great height | B．have live; such a great height | | C．has lived; a such great height | D．have lived; such a great height |
|
Fruit and vegetables in areas_________ there is enough water.| A．grows; that | B．are grow; where | C．growing; that | D．are grown; where |
|
– Did Alan enjoy seeing his old friend yesterday?
-- Yes, he did. He ______ his old friend for a long time.| A．didn’t see | B．hadn’t seen | C．hasn’t seen | D．wouldn’t see |
|
最新试题
热门考点