[ Modals in the Past - Speculation and Deduction ]
Skilled professionals _________ easily left their home countries without a compelling reason.
A. can’t have
B. must have

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Modal Verbs & Reflexive Pronouns › ViewYou … smoke on board the plane.
A. mustn’t
B. can
C. don’t have to
D. must
Grammar › View
What do you suggest me to do?
A. asking for an advice.
B. giving an advice.
Modal Verbs › ViewThe children ___________ go to bed now. It’s way past their bed time.
A. have to
B. may
Grammar › View
If you ____ here… and here, that’s all the paperwork done.
A. have signed kindly
B. would kindly sign
C. would have kindly signed
D. will be signing