[ Tenses ]
They ___ for the bus when it suddenly started to rain.
A. waited
B. are waiting
C. were waiting
D. had waited

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B: About twice a week.
A. How often
B. When
C. How much
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People ride roller coaster which is very slow
A. TRUE
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Jim ate 6 hotdogs.
A. sentence
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What is the meaning of Wallow
A. To sweep through the air
B. To roll back and forth
C. To twist suddenly
