[ Modals ]
The children didn´t went to the school. they _____ sick
A. must been.
B. could have been.
C. may have been.
D. could have been.
Select your answer:
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Adjective & Adverb › ViewWhen _______grapes are ripe, they must be harvested.
A. a
B. an
C. the
Conjunctions › View
It has been a year ……………… I saw him.
A. As
B. When
C. Since
D. Then