问题
选择题
Some students have trouble ____ grammar while others have difficulty ____ new words. [ ]
A. in; remember
B. for; to remember
C. on; remembering
D. with; remembering
答案
答案：D
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Some students have trouble ____ grammar while others have difficulty ____ new words. [ ]
A. in; remember
B. for; to remember
C. on; remembering
D. with; remembering
答案：D