—Sir,could you please put out your cigarette?This is a smoke-free(无烟的)school.—________.
________ good time we have in the park today!
— What is your scarf made ______? — Silk, and it’s made ______ Hangzhou.
______ does this new bike belong to? It’s______.
It rains ______ in the south of China in summer.
—How many monkeys are there in the zoo?— ______.