________ walk is expected to last all day, so bring ________ packed lunch．
| A．A ; a | B．The; 不填 | C．The; a | D．A ; 不填 |
_______ you feel exhausted after the long tiring journey, you may as well take a good rest at home.
| A．So that | B．In that | C．Now that | D．In order that |
----Would you mind if I turned off the light?
----____________.
A．Yes, go ahead  |
B．No, please don’t | C．Go ahead, please | D．Certainly, do as you please |
---- You _____ have given them some advice.
---- So I did, but who cared what I said?
| A．must | B．ought to | C．might | D．could |
Reportedly yesterday a group of American soldiers were walking along the road in Iraq when a bomb（炸弹） was _____, three of whom were killed.
| A．set about | B．set off | C．set up | D．set out |
He is never allowed ________ in the room.
| A．to smoke | B．smoking | C．smoked | D．to be smoked |