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题型：单选题题类：常考题难易度：普通

He hasn't decided _______ to go by bus or by train.

A、if B、whether C、how D、that

举一反三

When the head teacher was walking past the window, she noticed two students _______ chess in class. She really got _______.

The farmers often put their vegetables in a cooler place to keep them .

—Tom made an apology for what he said.

—It was wise of him to do so.

—Dad, I have difficulty in understanding the article. Can you give me a hand?

—OK. Tell me what makes you confused.

In the end, he decided to send the sick child to hospital.

Mike learnt to skate all the winter.

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