That hazy(雾霾)weather has hit 104 cities in middle-east China lately makes citizens well aware of ______a terrible problem China is faced with.
As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
He spent too much time talking on ______ phone while we were all busy at _____ work.
The operation is _____ success and the patient is now out of _____ danger.
Since tasting the excitement of _____ big city life, she never wants to live in _____ country again.
As far as I know, they spent _______ winter of 1999 in _______ UK.