So absorbed ________ in the research that she didn’t hear someone knocking at the door.

So absorbed ________ in the research that she didn’t hear someone knocking at the door.

#79743

she did

did she

she was

was she

推荐题目

 Not once ________ to Michael that he could one day become a top student in his class.

#80835

occurred it

did it occur

it occurred

it did occur

The students often finish their work        .

#79614

as told

as are told

as telling

as tell

I have been living in the United States for twenty years ,but seldom _____ so lonely as now.

#84492

have I felt

I had felt

I have felt

had I felt

     in your position, I would help him.

#81691

Was I

Were I

If I am

If I had been

On the National Day, up _____ into the air. Then the crowed cheered.

#79979

the balloons went

went the balloons

go the balloons

did the balloons go

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