——Whyistheclassroomsodirty?——S

——Why is the classroom so dirty?
——Sorry, Sir. It _____ yesterday. We forgot to do it.

A．doesn’t clean

B．didn’t clean

C．isn’t cleaned

D．wasn’t cleaned

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相关试题

“The children are playing in the park.”The main structure of the sentence is ______ .

A．S+V

B．S+V+DO+OC

C．S+V+IO+DO

D．S+V+P

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— Don’t forget ______ your homework before going out to play basketball, John.
— OK, Dad.

A．finishing	B．finish
C．to finish	D．to finishing

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— Simon, what do I need to take for the trip?
— You’d better ______ more water. It’s hot today.

A．to take

B．take

C．taking

D．took

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Mrs Green has ______ free time than Mr Green. She is busy all day.

A．much

B．fewer

C．more

D．less

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— Do you enjoy Han Lei’s songs?
— Yes. He is the winner of I AM A SINGERⅡ. I can’t think of anyone with a _____ voice.

A．better

B．best

C．more

D．most

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