—When did Bob leave?
—I have no idea. I ________ a shower upstairs.
| A．took | B．have taken |
| C．was taking | D．would take |
Many people have come to realize they should go on ________ diet and make room for ________ exercise．
| A．a; 不填 | B．the; an | C．the; the | D．不填; an |
---What’s that terrible noise?
---The neighbors ____for a party.
| A．have prepared | B．are preparing | C．prepare | D．will prepare |
- I probably shouldn't have any more cake.
-Oh, . It won't kill you.
| A．go ahead | B．hold on, please |
| C．you're welcome | D．that'll do |
—Where did you English ?
—When I was in college .
| A．pick up | B．take up | C．turn up | D．put up |
— These days I can only sleep for four or five hours at night as I’m too busy with my research work..
— If you keep going on like that, you are sure to ______ sooner or later.
| A．get down | B．break down | C．calm down | D．put down |