The headmaster decided to have a word with whoever is ______ this matter.
| A．responsible for | B．in the charge of |
| C．operated | D．connected for |
It is the first time that the local education authority ________ such strict requirements on going-to-school time for primary and middle school students.
| A．makes | B．has made | C．had made | D．made |
There are over 58, 000 rocky objects in ________ space, about 900 of which could fall down onto________ earth.
| A．the; the | B．不填; the | C．the; 不填 | D．a; the |
Although the novel isn’t popular among adults, it ______ the youth, especially boys.
| A．refers to | B．appeals to |
| C．results in | D．deals with |
The experts were doing their experiment in the lab, ______ what happened outside.
| A．didn’t know | B．not knew |
| C．not knowing | D．having not known |
In my opinion, a true friend is the one who always ______ when you are depressed.
| A．puts you up | B．gives you up |
| C．picks you up | D．cheers you up |