—Sam，comedownstairs，please．Ine

—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

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相关试题

---A: Sorry, I didn’t return your book on time.
---B: _______.

A．I agree with you.	B．It doesn’t matter.
C．You’re welcome.	D．That’s a good idea.

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---A: Sophia, your handwriting is really beautiful. I love it.
---B: _______.

A．I practise it every day.	B．No, I don’t think so.
C．Thank you very much.	D．Well, it’s not good enough.

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---I called you at 4:00 yesterday afternoon, but nobody answered.
---Sorry, I ______ with my friends at that time.

A．had swum	B．swam
C．would swim	D．was swimming

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The WHO has given some advice on to prevent us being infected(感染)with H7N9.

A．how

B．what

C．where

D．when

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When the parents arrived at the hall, the students _______ their projects.

A．have finish	B．had finished
C．finished	D．are finishing

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