They _________ have arrived at lunchtime but their flight was delayed.
| A．will | B．can |
| C．must | D．should |
.
Don’t try to cheat the taxman(税务人员); you’ll never ______it.
| A．get out of | B．get into | C．get along | D．get away with |
.
The day — my birthday — I had been looking forward to _______ at last.
| A．come | B．coming | C．has come | D．came |
.
My English-Chinese dictionary has disappeared. Who _______ have taken it?
| A．should | B．must | C．could | D．would |
.
. ---I need some fresh air, so I’m going out for a walk.
----___________.
| A．Have fun | B．With pleasure |
| C．You’d better not | D．It’s none of my business |
.
—I want to know if I______smoke here.
—No, you______ .Could you see the sign “NO SMOKING” there?
| A．can; needn’t | B．must; can’t | C．shall; won’t | D．may; mustn’t |