用所给词的正确形式填空
We didn't expect there __________ (be) so many people there.
The chair looks rather hard, but in fact it is very comfortable __________ (sit) on.
It's very hard for him __________ (study) two languages.
There was nothing __________ (bring) home that morning.
I'm sorry __________ (give) you so much trouble.
The snow seemed __________ (blow) from the top of the mountain.
Please show us __________ (do) that.
He seems __________ (talk) with his teacher.
Would you like __________ (go) with me or would you rather __________ (stay) at home?
The thieves happened __________ (quarrel) about the treasures when the police went in.