搜搜做题作业网My brother has some trouble( ) maths A doing B do C did D do
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My brother has some trouble( ) maths A doing B do C did D done
理由
理由
doing
have trouble doing sth.
再问： Alex Steward studies （ ）than his brother A more hardly B more hard C more harder D harder 会吗 理由
再答： D hard本身就是副词, 比较急harder, 更努力
再问： 为什么 more hard 不行
再答： 没听说过用more hard 除非说有更多艰难的事要做more hard work to do, 这里more也是形容work的 说更努力，用harder try harder study harder work harder
have trouble doing sth.
再问： Alex Steward studies （ ）than his brother A more hardly B more hard C more harder D harder 会吗 理由
再答： D hard本身就是副词, 比较急harder, 更努力
再问： 为什么 more hard 不行
再答： 没听说过用more hard 除非说有更多艰难的事要做more hard work to do, 这里more也是形容work的 说更努力，用harder try harder study harder work harder
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