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Your mother __________ a great cook. You are always so keen to get back home to eat!
might be
may have been
must be
must have been
I don't know why I am so tired these days. I __________ too hard. Or maybe I am not sleeping too well.
must work
can't be working
may be working
might not work
Do you know where Carl is? He __________ out - his car keys are on the table.
can't be
might not be
could be
must have gone
You seem to know everything about the theatre. You __________ every week.
can't go
can't have been
must go
might go
Giving the promotion to Harold was silly. He __________ much about this company after only a year working here.
can't have knew
must haven't known
might know
can't know
Go and look in the kitchen for your gloves. I _____ them there.
may leave
must see
might have left
could put
Oh, the phone is ringing. Answer it. It __________ Kate. She always rings at this time.
might be
must be
could have been
can't be
Dan has been drinking that whiskey since early this afternoon. He __________ totally drunk by now.
can't have been
might have been
must be
must have been
That couple __________ much of this film. They're leaving already - after only 20 minutes!
can't think
might think
couldn't think
must think
That's the second new car they have bought this year. They __________ very wealthy!
Might be
Must have been
Could have been
Must be
Did you see Tom last week? - No. He _____ sick.
might be
mustn't be
must have been
must be
She ___ very well because her exam result were outstanding.
can't do
must be studying
must have revised
might be studying
He would never have said that to you. You ___ him properly.
may listen to
mustn't have heard
can't have heard
might not hear
My phone isn’t in my bag. I ____ it at school. That’s the only place it could be.
can't have forgotten
must have left
might have forgotten
may forget
