Recently I have bought an iPad 3 on the website of taobao. com, ________ the price is very reasonable.

Have you ever seen any trees ________ leaves were black because of the polluted air?

The scientist won the Nobel Prize in Chemistry, ________ made him famous all over the world.

 —Did you return the book on me? Why can’t I find it anywhere?
—_______. You were writing a letter at your desk at that time.

Suppose we meet with a situation ________ none of us can deal with, what then?

There are many new central leaders in China now, ________ many once worked in the western provinces.

I just wonder ________ that makes him so excited.

Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.

The result was not the same ________ the professor had expected, ________ was rather disappointing.

Was it through Mary, ________ was working at a high school, ________ you got to know Tom?