one or two students in the class加单数还是复数One or two students in the class_____often late for school. It's better to let _____parents know.A.is his B.is their C.are his D.are their
问题描述：
one or two students in the class加单数还是复数
One or two students in the class_____often late for school. It's better to let _____parents know.
A.is his B.is their C.are his D.are their
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