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课时达标·训练
Ⅰ. 用括号内所给词的适当形式填空
1. Don’t leave the water _______ (run) while you brush your teeth.
2. When passing me he pretended _______ (not see) me.
3. If you wave your book in front of your face, you can feel the air _______ (move) against your face.
4. With a lot of mathematical problems _______ (solve), Jack went to bed.
5. What he wanted to suggest is _______ (cut down) the price and increase the sales.
6. ______________ (remember) a previous appointment, he phoned to cancel the lunch date with Mary.
