---What is the boy doing?---He _____________ happily.A swims B swam C has
题型：不详难度：来源：
---What is the boy doing?
---He _____________ happily.
A swims B swam C has swum D is swimming |
答案
| D |
解析
问句是：What is the boy doing?说明是用现在进行时，选D。 |
举一反三
More and more dangerous work _____________ by robots in ten years.
A is finished B was finished
C will be finished D has been finished |
—Do you have any problems if you ____this job?
—Well, I’m thinking about the working day.| A．offer | B．will offer | C．are offered | D．have offered |
|
---How’s the weather in your city?
---It _________.| A．rains | B．is raining | C．has rained | D．will rain |
|
He ______ at that school a year ago.| A．studies | B． study | C．studying | D．studied |
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—— What’s she doing for vacation?
——She’s _____ Beijing. | A．visiting | B．visits | C．visiting | D．is visiting |
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