Historically, ________ main material for making tables has been wood, but ________ metal and stone have also been used.
| A．the; / | B．/; / |
| C．the; the | D．/; the |
Steve Jobs, the former CEO of Apple Computer, passed away ______ October, 2011.
| A．at | B．on | C．in | D．by |
There are sixty minutes in ______ hour.
| A．不填 | B．the | C．a | D．an |
Why don’t you put the meat in the fridge? It will ______fresh for several days.
| A．be stayed | B．stay |
| C．be staying | D．have stayed |
The teacher asked us ______ so much noise.
| A．don’t make | B．not make |
| C．not making | D．not to make |
The number of the people invited ____fifty, but a number of them_____ absent for different reasons.
| A．are, is | B．is , are |
| C．is , is | D．are , are |