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题型：单选题题类：模拟题难易度：普通

Don't put off today's work for tomorrow. I mean, today's work______ today.

A、may do B、must do C、may be done D、must be done

举一反三

The young mothers are told little kids can't ___________ alone at home.

—It's difficult for village children to cross the river to school.

—I think a bridge _________ over the river.

My grandmother is ill. The doctor must{#blank#}1{#/blank#} (send) for at once

Can the magazine {#blank#}1{#/blank#} (take) out of the library?

As everyone knows, rubbish everywhere.

Some new airports____in the west of our country in the next years. It will save our time to go there.

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