题目内容
【题目】As a student, we should try what we can _______ our grades.
A.improve
B.improving
C.improved
D.to improve
【答案】D
【解析】动词不定式to improve作目的状语。所以答案是D
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题目内容
【题目】As a student, we should try what we can _______ our grades.
A.improve
B.improving
C.improved
D.to improve
【答案】D
【解析】动词不定式to improve作目的状语。所以答案是D