Why have you been forbidden _____ out after midnight? [ ]

Taobaocom is a free site, ________ visitors can not just purchase almost all kinds of productsbut open their own online shops[ ]

The traditional approach ________ with complex problem is to break them down into smaller, more easily managed problems.[ ]

ronger the ___________ is, the morequickly a person will learn a foreign language That is to say, it is up towhether he has an interest in the foreign language

It’s my dream ________________a big house.