“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 |
Do you think he is lazy？” “I _____ so once, but I don’t now.”
|
A．may have thought |
B．can have thought |
|
C．may think |
D．might think |
“Is John coming by train？” “He should, but he _____ not. He likes driving his car.”
|
A．must |
B．can |
|
C．need |
D．may |
You _______ pay too much attention to your reading skill, as it is so important.
|
A．cannot |
B．shouldn’t |
|
C．mustn’t |
D．needn’t |
