--- Do you think it’s a good idea to make friends with your students？
--- _____, I do. I think it’s a great idea.

Since Tom ___ downloaded a virus into his computer, he can not open the file now．

We don’t care if a hunting dog smells _____, but we really don’t want him to smell ____.

Our journey was slow because the bus stopped at different villages________．

I thought she was African, but ______ she’s Spanish.

Great inventors don’t ________ graduate from famous universities. Some didn’t even go to university.

Tonny’s parents thought he was at school，but________he was in a net bar.

------What do you think of our design for the new car？
------Pretty good. But I find theirs is _____ worth considering and studying.

You needn’t have apologized for your absence—       , it’s hardly your fault.

The new group of students are better-behaved than the other group who stayed here___