—How does the Internet ____us?
—By sharing information free of charge．
| A．educate | B．improve | C．limit | D．benefit |
Jennifer, who is my best friend, said she would go abroad for further education __________.
| A．before long | B．long before | C．shortly after | D．very fast |
A good teacher should leave some time for the students to _________ the knowledge.
| A．introduce | B．receive | C．digest | D．accept |
There is no doubt that a small child has to learn to keep its _________ before it can walk far.
| A．strength | B．peace | C．energy | D．balance |
The reason why Daisy eats so little is that she is _________ a diet and she is trying to _______ weight.
| A．on; put on | B．on; lose | C．in; reduce | D．in; put down |
－Hello, Mr. Wang. Must we wear the school uniform tomorrow?
－You ___________. Only on Mondays. Tomorrow is Tuesday.
| A．don’t have to | B．mustn’t | C．have to | D．must |