Don't let yesterday ______ too much of today.
| A．put up | B．use up |
| C．look up | D．get up |
Great changesin China in the past 20 years.
| A．took place | B．were taken place |
| C．have taken place | D．have been taken place |
We will have a _____ holiday after the exam .
| A．two month | B．two-month | C．two-months | D．two months |
Though it was late , _____ he went on with his work .
| A．but | B．and | C．so | D．\ |
We ____ here two hours ago . We____ here for two hours .
| A．have arrived , have been | B．have come , have been |
| C．came , have come | D．arrived , have been |
He has a friend who ____ the piano very well .
| A．play | B．playing | C．plays | D．played |