We can’t take part in the competition ________ we get our student card.
| A．before | B．if | C．While | D．as |
It is no good to be poor in a beautiful environment, ________ good to be welloff but live with environmental problems.
| A．so is it | B．so it is |
| C．nor it is | D．nor is it |
Oh, much smoke here! Somebody ________ the window, please.
| A．opens | B．open |
| C．shall open | D．will open |
The China dream is the people's dream. Only when everyone is hardworking and full of energy to make their due contribution ________.
| A．it can better realize |
| B．can it better realize |
| C．it can better be realized |
| D．can it better be realized |
In no way ________ in a test for a student.
| A．a cheat can be allowed |
| B．can not a cheat be allowed |
| C．can a cheat be allowed |
| D．a cheat can not be allowed |
When ________ about his school life, Tim thought it colorful.
| A．asked | B．asking |
| C．to ask | D．asks |