So seriously _______ in the accident that he was sent to hospital at once.
| A．he was injured | B．was he hurt | C．he did injure | D．did he hurt |
There has been__________ accidents on this part of road.
| A．a number of | B．the number of | C．a series of | D．plenty of |
I don’t have time for a drink now, but I’ll ________ you later.
| A．take part in | B．attend | C．join | D．join in |
Is this one different ________ that one ________ color?
| A．in; in | B．from; from | C．from; in | D．in; from |
Jumping out of ______ airplane at ten thousand feet is quite _____ exciting experience.
| A．/ ; the | B．/ ; an | C．an; an | D．the; the |
It is on 1st Sept. ________ students go back to school every year.
| A．when | B．that | C．who | D．what |