Only when it is hungry ______ a human being.
| A．a lion will attack | B．a lion should attack |
| C．will a lion attack | D．should a lion attack |
（年北京市西城区高三5月二模试题）21. — You look great!
— I ______ out. Check out my muscles!
| A．will work | B．was working |
| C．have been working | D．had been working |
（年安徽省合肥市高三第三次教学质量检测）34. Neither the old lady nor her cats ______ out of the house since her husband passed away last month.
| A．was stepping | B．have stepped | C．stepped | D．has stepped |
—Time ________. It’s likely that we’ll miss the deadline.
—Don’t worry. We have already got through 80% of the job.
| A．is running out | B．has run out | C．is being running out | D．has been run out |
（年安徽省合肥市高三第三次教学质量检测）27. The general manager can't use his office at the moment, which ______.
| A．is being redecorated | B．has been redecorated |
| C．is redecorated | D．was redecorated |
----Why is he feeling down today?
----Because the suggestion he _______ has been turned down.
| A．put away | B．put up | C．put down | D．put forward |