.It was the practice _____ he got abroad _____ made him a good English speaker.

A number of people suffer ill effects from drugs ______ they take the drug exactly as directed.

Brian talks to me like a child，_____really annoys me．

In 1831, Faraday discovered that electricity moves through a wire ________ a magnet（磁铁） is moved near the wire.  

I’ve got a lot of books, ________ are written in foreign languages.

It was not until last year ________ he got in touch with his father in Canada.

40. —Shall Tom go and play football?
—Not ________ he has finished his homework.

. They are given a lot of books ___________ are all young women.

Guo taiming , in    company a number of workers committed suicide, made an apology to the public at the end of May.

. ---Did he hear of the news that his son sacrificed in the war?
---No. It was   he received the call from the army   he knew it.