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【題目】（題文）It is _____that he is heavily in debt,but I am not sure whether it is true.

【題目】—Will you attend the meeting this afternoon?

【題目】What the doctors really doubt is ____________ my mother will recover from the serious disease soon.

【題目】— Has he finished his homework?

【題目】Nowadays robots ____________ to do more dangerous tasks for human beings.

【題目】We decided to hold the summer party ____instead of in the house.

【題目】Look over there—there’s a very long,winding path ____up to the house.

【題目】I often see lights in that empty house. Do you think I ____________ report it to the police?

【題目】The salesman scolded the girl caught ______ and let her off.

【題目】It was so cold that they kept the fire ______ all night.