．Every possible means _______to prevent the air pollution, but the sky is still not clear．
| A．are being used | B．have been used |
| C．has been used | D．had been used |
That day we set off early ___ good seats.
| A．so that get |
| B．so as to getting |
| C．so as to get |
| D．in order that get |
Nowadays, the parents are ___ too much ___ their children, and it makes the children feel stressful and unhappy.
| A．expecting; of |
| B．expecting; on |
| C．demanding; of |
| D．asking; for |
Our government ___ the measures put forward by some experts at the meeting and decided to carry them out at once to prevent further air pollution in this area.
| A．agreed |
| B．approved |
| C．absorbed |
| D．allowed |
A lot of searching and rescuing dogs are needed to ___the soldiers ___ searching for people buried and trapped in the ruins.
| A．assist; with |
| B．assist; in |
| C．assist; of |
| D．assist; on |
He may be __of playing his radio too loudly by law, especially when it is time for sleeping
| A．defended |
| B．accused |
| C．reminded |
| D．informed |