—The radio is too noisy and there is nothing interesting on it．Why don’t you________？
—All right．I’ll do that．
| A．turn it on |
| B．turn it off |
| C．turn it back |
| D．turn it up |
He’s gone to the library ,_______ he ?
| A．isn’t | B．doesn’t | C．hasn’t | D．wasn’t |
---Did you get there by _____bike?
--- No, I took _____taxi.
| A．a, a | B．/,a | C．the , the | D．a , the |
He’ll phone you as soon as he ________ Beijing .
| A．reaches to | B．arrives in | C．will reach | D．will arrive |
It takes him too much time __basketball. He should spend more time __his homework.
| A．to play, to do | B．playing, doing | C．to play, doing | D．playing, to do |
He fell off the bike ________.
| A．while he rode | B．while he was riding | C．while he is riding | D．while on bike |