-The terrible accident might not have happened had the driver been more careful. --But he _____.
#86997
A
wasn’t
B
didn’t
C
hadn’t
D
doesn’t
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He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
#90144
A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to
-He looks very hot and dry.  -So______if you had a temperature of 40℃.
#90413
A
would you   
B
will you
C
would have you been   
D
do you