______ is known to us is that tobacco contains nicotine and other harmful products, so you should give up smoking.
| A．As | B．It | C．What | D．Which |
The old man didn’t feelthough he stayed on the hill．
| A．alone；lonely | B．alone；alone | C．lonely；alone | D．lonely；lonely |
–What do you think of _____ dress in the shop window?
–Oh, it’s beautiful. You may give it to Linda as _____ birthday present.
| A．a; a | B．the; a | C．a; the | D．the; the |
The school rules state that no child ___ be allowed out of the school during the day , unless accompanied by an adult .
| A．may | B．dare | C．shall | D．must |
I’llnevertrustsuchaman______youdescribed.
| A．that | B．what | C．whoever | D．as |
A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.
| A．astentimesfast | B．tentimessofast | C．tentimesasfast | D．tentimesfaster |