Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received
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 ---Why hasn’t Jane arrived yet?  ---She ______ again in the morning.
#62660
A
shouldn’t have overslept
B
may have turned off the alarm clock
C
must have no one to call her
D
should have someone to wake her up