When the bell rang announcing the end of class, students came out _____.
A.by twos and threes | B.by two and three |
C.by two and three | D.by twos or threes |
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When the bell rang announcing the end of class, students came out _____.
A.by twos and threes | B.by two and three |
C.by two and three | D.by twos or threes |
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