John with his parents _________ been in Australia for about two years.A．haveB．h
题型：不详难度：来源：
| John with his parents _________ been in Australia for about two years. |
答案
| B |
解析
试题分析：句意为：约翰和他的父母到澳大利亚大约有两年了。本句时态应用现在完成时，主语是John，介词短语with his parents表示伴随。根据主谓一致原则可知应选B。 |
举一反三
People should _________ down trees in order to protect the environment.| A．be stopped to cutting | B．stop to cut | | C．be stopped from cutting | D．stop from cutting |
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---Oh, you can take __________ of them. I’ll keep none.| A．both | B．all | | C．neither | D．either |
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---Really? You must ___________ children, I think.| A．be good at | B．be good for | | C．be afraid of | D．be good with |
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---I’m _________ the Internet.| A．looking at | B．looking through | | C．looking up | D．look after |
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---Wow, they are wonderful.| A．kept | B．have kept | | C．have bought | D．bought |
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