选词填空。
（1）Let′s go to the ＿＿＿＿ to read books. (library, gym)
（2）A clerk works in a ＿＿＿＿. (office building, store)
（3）Yellow is ＿＿＿＿. (stop, wait)
（4）A businessman works in ＿＿ office building. (a, an)
（5）In July, the weather is ＿＿＿＿. (cool, hot)
（6）In October, the weather is ＿＿＿＿.(snowy, windy)
（7）In December, the weather is ＿＿＿＿. (cold, hot)