Why?Tom,yourshirtissodirty!Mum

--- Why? Tom, your shirt is so dirty!
--- Mum, I ______ my storeroom downstairs.

A．cleaned	B．have cleaned
C．was cleaning	D．have been cleaning

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相关试题

The workers in Australian Air Line had been on strike for two weeks. At last they had their pay _______.

A．raised

B．raising

C．risen

D．rising

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The food is not much. How long do you think it will _______?

A．hold on

B．hold back

C．hold out

D．hold together

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She hurried back to her house, only ________ a lot of her jewels ________.

A．finding; robbed

B．finding; stolen

C．to find; robbed

D．to find; stolen

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When _____ her father would come soon, she had an _____ look on her face.

A．heard; excited

B．hearing; exciting

C．hearing; excited

D．heard; exciting

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---I beg your pardon?
---Your mind must be ________ when I was speaking, wasn’t it?

A．wondering

B．wandering

C．walking

D．speaking

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