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题型：单选题题类：常考题难易度：普通

His little brother is young, but he can do a lot of things by himself.

A、alone B、with others' help C、in his way D、without his help

举一反三

What do you often ________ after class?

After supper I often help my mother ____ bowls in the kitchen.

—We're not supposed to those who failed.

—No one can be a winner all the time.

—Why are you so tired these days?

—Well, I have homework to do.

The problem is ______________ difficult. You needn't spend ______________ time on it.

—In the past, most people died ___________diseases.

—And some died___________ natural disasters.

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