[ Modal Verbs ]
Athletes _____ be careful when using medicines or any kinds of drugs.
A. are permitted to
B. are able to
C. are allowed to
D. are required to
Select your answer:
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So or Such › ViewHe is ______clever boy that he can learn multiple languages at the same time.
A. such a
B. so
C. such
Modal Verbs for Speculation › View
We’re late – we really ___ have left earlier.
A. must
B. should
C. will