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
考查trouble固定结构。Have some trouble with sth；have some trouble in doing sth做某事有困难。句意：一些学生在语法方面有困难，而其它学生在记忆新单词方面有困难。故D正确。