You __________ football after school. Why not go home and do your homework first?
| A．always played | B．have always played |
| C．are always playing | D．have always been playing |
In the traffic accident, his father came close to __________.
| A．be killed | B．killing | C．kill | D．being killed |
--- This returned Chinese scholar has become one of the top experts in this field.
--- Yes, I know him very well. He_________in Africa on wild animals for eight years.
| A．has worked | B．had worked |
| C．worked | D．has been working |
.They turned out more than 1,000 washing machines, most of which ________quality.
| A．is good | B．are good | C．is of high | D．are of high |
-- Did you visit the zoo?
--- No, we_______have visited it, but we spent too much time shopping.
| A．shouldn’t | B．can’t | C．could | D．must |
.The letter from his girlfriend he had been looking forward to _________yesterday.
| A．came | B．comes | C．coming | D．come |