Topics: Passive and Active Voice
I ————————- for five hours.
a) Have been working
b) Has been working
c) Was working
d) Am working
Select your answer:

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Modal Verbs › ViewIf you’re under 13, you ______ get your parents’ permission.
A. can
B. have to
C. might
D. should
TOEIC Grammar and Vocabulary Review › View
You should notify us at least two weeks ……… the expiration date,
A. prior
B. after
C. before
D. though
