—What can we do to________ bird flu from spreading?—Try not to buy or eat chickens that have not been checked.A. prevent B. cause C. discover
If you don’t go to the meeting tomorrow, ______.
It is said that to teach a man fishing is better than _____ him fish.
– The skirt looks different from others and it is nice. -- Thanks. It _____ by my mother last month.
Remember to _____ the lights when you leave your classroom.
Tony is a clever boy, ______ he usually fails in Chinese exams.