They must have been enjoying themselves there, or they _____ so long.
| A．can’t have stayed | B．wouldn’t have stayed |
| C．needn’t have stayed | D．couldn’t stay |
There is somebody waiting for you, _________ I think might be one of your classmates.
| A．who | B．whom | C．which | D．whoever |
_________with enough ability for the present job， Mike was not fit for it and he had to quit it.
| A．Not equipping | B．Not equipped |
| C．Not to be equipped | D．Having not been equipped |
More and more high-rise buildings have been built in big cities __________ space.
| A．in search of | B．in place of |
| C．for lack of | D．for fear of |
I don’t think the experiment is _________ failure. At least we have gained _________experience for future success.
| A．/; the | B．a; the | C．a ; / | D．/ ; / |
“Mum, why do you always make me eat an egg every day?” “_____enough protein and nutrition as you are growing up.”
| A．Get | B．Getting | C．To get | D．To be getting |