[ Tenses ]
She ______ for two hours when her mother finally arrived.
A. had been waiting
B. was waiting
C. waited
D. has been waiting
Select your answer:

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Vocabulary › ViewThis branch of government carries out and enforces the laws.
A. Legislative
B. Judicial
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Grammar › View
Vinh, ___________________ is only two and a half, likes to play games on a tablet.
A. which
B. that
C. who
D. whom
