—I love the Internet.I've come to know many friends on the Net.
—________.Few of them would become your real friends.
| A．That's for sure | B．It's not the case |
| C．I couldn't agree more | D．I'm pleased to know that |
I _____ some knowledge of cooking just by watching my mother doing it.
| A．put up | B．looked up | C．picked up | D．set up |
Tom’s mother bought quite a lot of things online but spent only $20 _____.
| A．in order | B．in a word | C．in all | D．in conclusion |
Either you or I _____ going to attend the meeting in the afternoon.
| A．are | B．am | C．is | D．will |
Students should be encouraged to use _____ Internet as _____ resource.
| A．不填, a | B．不填, the | C．the, the | D．the, a |
His sister left home in 1998, and_______ ever since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |