I showed several old friends of mine around the city, _________ surprise，the changes had been so great.

I have many friends, some        are businessmen.

Children, in my opinion, ________ creative ability is unthinkably rich, ________ is seldom taken notice of by us, should be trained in that area.

It’s helpful to put children in a situation _____ they can see themselves differently.

---Mom, Jack went to the Internet cafe again!
---Keep it in mind______ our family is not one______ bad behavior goes unpunished.

Last Monday, I bought a second-hand computer, ______ was very slow.

You’ll find taxis waiting at the bus station ______ you can hire to reach your host family.

I saw a boy in the supermarket yesterday,         reminded me of my good friend.

The walkman I bought yesterday is quite different from _______ you bought last month

The story showed marriage between people of different races ,_____ was against the law at that time.