Statistics______his most difficult subject and they are all worried that he won’t pass the test.

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问题 Statistics______his most difficult subject and they are all worried that he won’t pass the test.

选项 A、is
B、are
C、was
D、were

答案A

解析 题干:统计学对他来说是最难的学科,他们都担心他通不过考试。本题测试名词复数。以-s结尾的名词,如maths,physics,statistics等表示学科时,谓语通常用单数形式。故选A。
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