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He sent me an e-mail, _______ to get further information.

What surprised me most was to see some of the village people ______ on the benches at the end of the classroom .

Time _____ , we are going to visit the famous military museum before we leave this city.

—I’m sorry, but I didn’t mean ____ out your secret.
—But you know, letting out secret means ____ one’s feelings.

When ______ by the teachers, a student tends to study harder than usual.

It is said that there was a car accident last night, ______ five people and making more ______.

That is the only way we can imagine ______ the overuse of water in students’ bathrooms.

I regret ________ that you have failed the exam, but what you should do now is not to regret ______ so much time but to seize every moment from now on.

____ the days he had spent with his American friends, he couldn’t help_____.

The boy is running impatiently here and there as if____ something lost on the sports ground.