—Mr. Hu, can you tell us how to learn swimming well? —Sure. But remember we can learn nothing well _______ hard work. A. with B. after C. without
------_______ free breakfasts _______in all schools in China?------No, not yet. Only in the rural areas.
School students ___smoke because it is against the school rules.
Some people ___feel sick when they read a book in a car or on a boat.
Cars, buses and bikes ___stop when the traffic lights change to red.
—Where___ you ___last night?—I went to the supermarket and bought a present for my younger sister.