At school, some students are active ______ some are shy, yet they can be good friends with one another.
| A．while | B．although | C．so | D．as |
It will be a big help if you go to the store and get what we need for dinner.________，I’ll set the table.
| A．As a result | B．On the whole |
| C．In the meanwhile | D．As a matter of fact |
The Smiths are praised ________ the way they bring up their children.
| A．from | B．by |
| C．at | D．for |
I have an appointment________Dr.Smith，but I need to change it.
| A．to | B．off |
| C．with | D．from |
A serious study of physics is impossible________some knowledge of mathematics.
| A．against | B．before |
| C．beyond | D．without |
It was a real race________time to get the project done.Luckily，we made it.
| A．over | B．by |
| C．for | D．against |