[ Auxiliary Verbs, if, unless and Modal ]
They __ been waiting for the bus for an hour.
A. will
B. has
C. is
D. have
Select your answer:
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Gerunds › ViewMy sister is afraid ______ having a car accident.
A. of
B. to
C. in
D. about
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My brother fell down and lost a _____ yesterday.
A. teeth
B. tooth
C. tooths