Professor Smith, along with his assistants, _____ on the project day and night t
题型：不详难度：来源：
Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.| A．work | B．working | C．is working | D．are working |
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答案
| C |
解析
| 考查时态及主谓一致题。主语是单数时，尽管后面跟有 but ,except, besides, with ，as well as ，together with， along with，like 等引导的介词短语时 ，谓语动词与前面的主语一致。根据后面的day and night可知，需用现在进行时，故选C。 |
举一反三
----I have got a headache.
---- No wonder. You ________ in front of that computer too long.| A．work | B．are working | C．worked | D．have been working |
|
My parents have promised to come to see me before I _________ for Africa.| A．have left | B．leave | C．left | D．will leave |
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What he has achieved still _________ all the people around．| A．astonishes | B．astonished | C．astonishing | D．astonishment |
|
–Why, David, you look so tired!
–Well, I ______ a report for the whole day and I must finish it tomorrow.| A．was writing | B．will be writing | | C．have written | D．have been writing |
|
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