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

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

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

【题目】— Has he finished his homework?

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

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

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

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

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

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