If you want to buy this dress， you’d better ____ first to make sure it fits you.

The number of chairs in the room_____ten.I’m afraid anumber of chairs in the room____lost.

Will people live to be 300 yearsold— ______________.

In the meeting room, there is a brown sofa, ________ there is a wooden ceiling[ ]

Could you help me ______a shelf on the wall —No problem