Every boy and every girl knows that each day and each hour brings their duty.
2023-05-26
A. and
B. Knows
C. brings
D. their
参考答案:D
B. Knows
C. brings
D. their
参考答案:D
their→his/her。用every修饰的名词后面的动词用单数形式,所以也应该把表示复数的their改成his/her。
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