题目内容

The sentence "He goes to school yesterday" contains a mistake on______.

A. number
B. tense
C. government
D. agreement

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The grammatical category reflected in I/me, he/him, she/her is called______.

A. number
B. case
C. gender
D. aspect

When we say that we can change the second word in the sentence "The girl is waiting outside" with another word or phrase, we are talking about the______inside the sentence.

A. syntactic relation
B. paradigmatic relation
C. concord
D. government

叙述HLB值的定义及对表面活性剂应用。

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