[ Past Tenses ]
We _____ for an hour before the bus finally came.
A. had waited
B. waited
C. had been waiting
D. were waiting

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Grammar › ViewDoes Liza _________ her pocket money every day?
A. save
B. saves
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The bridge ____ near completion last month.
A. was reaching
B. is reaching
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___ research is difficult but rewarding.
A. the
B. (-)
