After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees ________ shade and ________ down to have a rest.
On the third floor there are two rooms, ____ is used as a meeting-room.
---Does ____ of the two foreigners work in Chengdu? ---Yes.____ of them have been working here as English teachers for three years now.
Bill, often regarded as one of the best students in his class, ____ to be the student who cheated in the exam.
This pair of shoes doesn't look good, but that pair is ____ better, I think.
I wonder what it feels like to be one of ____ really rich. The Browns already have Rolls Royce and now they are buying ____ third.