I was greatly ______ at how he worked out the ______ problem in a creative way.
| A．amazed; confused | B．amazing; confusing |
| C．amazed; confusing | D．amazing; confused |
Just as Professor Scotti often it, success is ninety-nine percent mental attitude.
| A．gets | B．makes | C．puts | D．means |
---- Do you think it’s a good idea to make friends with your students?
---- , I do. I think it’s a great idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
Daniel’s family their holiday in Huangshan this time next week.
| A．are enjoying | B．are to enjoy |
| C．will enjoy | D．will be enjoying |
-– I wonder how much you charge for your services.
--- The first two are free the third costs $30.
| A．while | B．until | C．when | D．before |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the |
C．the; a | D．the; the |