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In almost all the colleges in our country now, college students sometimes earn enough money by ______ of part time job to support themselves.

The law ______ the sales of wine to people under the age of 16.

A. encourages    B allows        C. helps        D. forbids

_____ news came ______ Dolly died of a terrible disease.

He was _____ down for some days after he heard that he didn’t pass the exam.

I tried my best, but I couldn’t _____ the driving tests.

Look at the trouble we’re in. If only we _____ our teacher’s advice.

A. had taken     B would have taken   C. took      D. have taken

— Good morning, can I help you?

—  I’d like to have this watch _______.

____ in thought, he almost ran into the car in front him.

Once _____ , the machine will keep running.

The new discovery is of ________.