—Sam, come downstairs, please. I need your help.—Sorry，mum. I on the phon
题型：不详难度：来源：
—Sam, come downstairs, please. I need your help.
—Sorry，mum. I on the phone..| A．am talking | B．talked | C．was talking | D．have talked |
|
答案
| A |
解析
| 难度适中，考查现在进行时，Sam不能去帮他妈妈，他正在谈电话，答案选A，B是一般过去时，C是过去进行时，D是现在完成时。 |
举一反三
A new club in our school at the beginning of this year and now it has many members.| A．starts | B．is started | C．has started | D．was started |
|
－What’s his brother?
－He is a teacher.He__________ maths at a school.| A．taught | B．has taught | C．teaches | D．will teach |
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I don’t remember when and where I __________ this umbrella.| A．buy | B．have bought | C．will buy | D．bought |
|
－Where’s Lisa,Eric?
－She __________ to the library.| A．goes | B．had gone | C．has gone | D．would go |
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Great changes _______over the years．| A．took place | B．was taken place | | C．have taken place | D．happened |
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