1.They want to know ( ) do to help us.

2.John studies in a state university, ( ) he?

1.Your name is Mary, ( )?

7. Let＇s try a bit harder, ( )?

6. "It＇s awfully cold this morning."“Yes, but it＇s not colder than it was yesterday, ( ) it?"

5. Beginners have to learn from their mistakes, ( ) they?

4. "Jill has a toothache."“It＇s been hurting her for quite a while, ( )?"

3. Mountains can be very dangerous, ( )?

2. I don＇t think you＇ve heard of him before, ( )?

1. You never told us his phone number, ( )?

2.It is suggested that ( ) a while before we make a decision.