The police still haven’t found her, but they’re doing all they _____.
|
A．may |
B．can |
|
C．must |
D．will |
It’s a very kind offer, but I really _____ accept it.
|
A．mustn’t |
B．needn’t |
|
C．can’t |
D．don’t |
That car nearly hit me; I ______.
|
A．might be killed |
B．might have been killed |
|
C．may be killed |
D．may been killed |
“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
|
A．must be |
B．must have been |
|
C．might be |
D．can have been |
“I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.”
|
A．should ask |
B．should have asked |
|
C．must ask |
D．must have asked |
Their answers are exactly the same — one of them ______ from the other.
|
A．must copy |
B．must have copied |
|
C．should copy |
D．should have copied |
