Gun control is a subject ______ Americans have argued for a long time.

The new research center will be set up      was a wasteland 20 year ago.

---What did the Englishman say?
---Oh, he asked where ____ .

If my mother goes , ____.

Hardly had she walked out of the woods ＿＿＿ she heard the strange scream coming from behind a tree.

Lucy is looking for a job ____ can offer her a good salary and ____she can  also communicate with a large number of foreigners

I told them not everybody could run as fast as you did, _____?

--- I like football.
---______ my sister and me.

It is his cleverness, not his strenth, ____ defeated his rival.

—_____ that he picked up his uncle at the airport?
—It was at 6:00 in the afternoon _____ he got off work.