[ Modals of Deduction ]
They are more than an hour late. They ______ gotten lost.
A. must have
B. could have
C. can´t have

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Passive Modals › ViewThe entire valley —- (see) from their mountain home.
A. sees
B. can be seen
C. can see
D. can seen
Third Conditional › View
Would you _ to the conference if the company hadn´t paid for the tickets?
A. have gone
B. had gone
C. have went
D. go
Conjunctions › ViewShe works hard ___ earn enough money for her family.
A. in order to
B. so that
C. because
D. so
Adjective and Adverb › View
Martha is a …. student
A. lazily
B. lazy