[ Preposition & Gerund ]
I always worry about ________ things.
A. lost
B. lose
C. losing
D. loses
Select your answer:

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Dependent Prepositions › ViewI waited _____ you for more than an hour.
A. at
B. for
C. to
D. in
Tenses › View
John _______ in his bedroom when I came back home
A. was sleeping
B. is sleeping
C. sleeps
D. sleeping
