[ 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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Vocabulary and Grammar › ViewIf I ________ my room, my mum _______ pleased.
A. tidy / will be
B. tidies / will be
C. will tidy / is
Vocabulary and Grammar › View
After I eat dinner, I like to watch TV ___ the evening.
A. at
B. in
C. on
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