Mary Sue knows nothing about the matter, they didn’t come to school yesterday．A.
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________ Mary ________ Sue knows nothing about the matter, ________ they didn’t come to school yesterday．
A.Either; or; because
B.Both; and; as
C.Neither; nor; since
D.Not only; but; for
试题答案
D
both…and…连接并列主语时，谓语应用复数，由第二个空后的knows可知B项错误；从后面的原因知道昨天她们没来上学，其结果当然是对那事一无所知，因此答案为D项。