The earth will become worse and worse ________ we do something to stop her from being polluted.

A. if B. even if C. when D. unless

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Excuse me, I’d like two _______.

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Hello, everyone! My name is Sam Black. Welcome to our school! I hope you will enjoy your time with us. Every morning from 8:30 to 11:30 you will be in the classroom learning English. We will have lunch in the school at 12:00. There is a lot of delicious food and there is fast food, too. In the afternoon you are free to do whatever you want and in the evening you can speak English. There will also be lots of time for speaking.如果你需要看醫(yī)生, the school will take you to hospital. Next news about exam. You will take it in two weeks. You may take a dictionary to the exam.不要太擔(dān)心這些。 The exam is not very difficult. School will send your points to your home a month later. Thank you. Have a nice stay in Canada!

1.

2.

3.

4.

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