题目内容
The trouble with such resources as coal, oil and gas ______ that they are not renewable.
| A．was | B．are | C．have been | D．is |
D
解析试题分析：句意：象煤，油和气这样的资源问题是它们不是可再生的。这句话是客观事实，所以用一般现在时，又因为主语是the trouble所以谓语用单数，所以选D。
考点：考查时态和主谓一致
尖子生新课堂课时作业系列答案Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she'll make it every other week.
| A．is having | B．had had |
| C．had | D．has been having |
---It was really very kind of you to give me a lift home.
---Oh, don’t mention it. I _____ past your house anyway.
| A．was coming | B．will come | C．had come | D．have come |
----Has your uncle come back from England for a summer holiday?
----Yes. But he _________ at home for only a few days. Now he has been back to London.
| A．stayed | B．has stayed | C．had stayed | D．is staying |
John kept looking at the pretty girl, wondering whether he_________ her somewhere.
| A．saw | B．has seen | C．sees | D．had seen |
-What's the matter?
-The cook _____five minutes ago, and there are fifty dinners still to cook.( )
| A．left | B．leaves |
| C．has left | D．was leaving |
Do you know Tom,the manager of that company?
-Of course,I know him,By next month,I______him for 10 years.
| A．know | B．knew | C．will know | D．will have known |
-The frightening black clouds are gathering .lt______.
-Sure Let's go indoors,
| A． is to rain | B． rains | C． is going to rain | D． is raining |
Take care! Don’t drop ink on your shirt, for it _______ easily.
| A．won’t wash out | B．won’t be washed out |
| C．isn’t washed out | D．isn’t washing out |