I ran across a car crash in Hong Kong, and ________, both sides just politely exchanged the telephone numbers and cards, a surprise to me.
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.