It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
We'll be away for two weeks because we'll have a ___________.
.-- Which room shall we live in tonight? – In __________.
There may be something wrong with her ______,she can' t see things clearly.
The room is too small, there' s no enough ________for another desk.
He has searched the ________ or 2 hours for the information about Yang Liwei.