【黑龙江省龙东地区2015年中考英语试题】—Whose room is this? Is it the______? —Yes, it is ______. A. twins'; Tom and Tim's B. twin's; Tom's and Tim's C. twins'; Tom and Tim
We won’t start the meeting ________ the teacher arrives.
The workers are trying to ________ what’s wrong with the machine.
Internet is ________ used by people, especially by young people.
It’s so fine. Why not ________ outdoors?
The plane from Beijing to Hong Kong ________ half an hour ago.