_____ in thought completely, he didn’t even know what was going on.
| A．Losing | B．Lost | C．Having lost | D．Having been lost |
28．—Surely you can turn to David for help．
—__________He is the last one you can depend on．
| A．I couldn’t agree more. | B．Is that right? |
| C．Get out of it! | D．It’s up to you． |
27．He was________for fifteen days because of drunk driving．
| A．put away | B．put down | C．put off | D．put up |
26．—Can you attend the party tomorrow，Tom?
—I can when my headaehe_________completely．
| A．will have disappeared | B．will disappears |
| C．disappeared | D．Disappears |
25．—Oh，my God! You_______wear slippers to attend the meeting.
—I’m sorry I forgot there is a meeting．
| A．must | B．should | C．can | D．Shall |
24．The animals that are having winter sleep look_________dead．You can’t wake them up by touching．
| A．as far as | B．as good as | C．as well as | D．as soon as |