Try to _____ the children down. They’re too excited.
| A．put | B．calm | C．pull | D．push |
On September 22, more than 150 Chinese cities, including Beijing, observed world Car Free Day to low-carbon travel.
| A．promote | B．protect |
| C．imitate | D．contact |
—Wow, winter swimming is so fascinating! Shall we have a try?
—! It is not my piece of cake.
| A．Never mind | B．Good idea |
| C．Neither you nor me | D．Rather you than me |
It is necessary that the government solutions for the problems of air pollution to create a clear environment.
| A．should have found | B．could have found |
| C．could find | D．should find |
I’m willing to help ,I do not have much time available.
| A．Because | B．While | C．When | D．Since |
It is really important to form an atmosphere among young peoplevalues self reliance(自力更生) rather than relying on parents.
| A．who | B．where | C．that | D．what |