Considering his health, I advise him to an hour or two each day to work out．
| A．set about | B．set aside | C．set up | D．set off |
It is______ of him to set his aim high but do little, so he is always leaving things undone．
| A．specific | B．typical |
| C．flexible | D．widespread |
— Do you think it's a good idea to make friends with your students？
—________, I do．I think it's a great idea．
| A．Really | B．Hopefully |
| C．Actually | D．Eventually |
Mary couldn’t________ the terrible working conditions in that factory and resigned last week．
| A．catch up with | B．keep up with |
| C．put up with | D．come up with |
Some passers-by witnessed the car accident ______ five passengers were killed, a baby included．
| A．where | B．which | C．that | D．when |
— Why do you do volunteer work in the North—West？
— I_____ to improve the lives of the children there through my efforts．
| A．was trying | B．have tried |
| C．am trying | D．tried |