— Why? Tom, your shirt is so dirty!— Mum, I _____ my storeroom downstairs。A．cle

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— Why? Tom, your shirt is so dirty!
— Mum, I _____ my storeroom downstairs。

A．cleaned

B．have worked

C．was cleaning

D．have been cleaning

答案

解析

略

举一反三

Good heavens! There you are! We _____ anxious about you, and we _____ you back throughout the night.

A．are； expect	B．were； had expected
C．have been；were expecting	D．are； were expecting

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I’ve finally finished my paper and it _____ me an entire month.

A．takes

B．took

C．was taken

D．had taken

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The traffic in our city is already good and it _____ even better.

A．gets

B．got

C．has got

D．is getting

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John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we _____ each other a couple of times before that.

A．had been； have met	B．have been； have met
C．had been； had met	D．have been； had met

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I’ve won a holiday for two to Florida. I _____ my mum.

A．take

B．am taking

C．have taken

D．will have taken

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