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题型：单选题题类：模拟题难易度：容易

If people ________ cutting down the forest, they will have nowhere _______.

A、keep, to live in B、will keep, to live in C、keep, to live D、will keep, to live

举一反三

If you ________this experiment, you will understand the theory better.

Liu Mei wants __________ a doctor when she grows up.

Attention! Please! Without permission, children are not allowed ________ along here.

— I feel sorry for the little girl, but I am not able her.

— Maybe you can help her the sadness.

____ the task on time, the workers were working day and night.

The school doesn't allow students to b{#blank#}1{#/blank#} smartphones.

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