What does the sign over there read—“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this area.”

Excuse me, could you tell me how to improve my spoken English—OK. The best way is to practice______ .

I called you yesterday afternoon, but nobody answered.—Oh, I ___________ in the playground.

Wu Dong was _______ tired that he couldn’t keep his yes_________.

It was so quiet in the classroom that a needle _________ to drop onto the floor.[ ]