题目：
用方框中所给单词的适当形式填空，每词仅用一次（每空一词）。
小题1:My son wants to go to see the in the zoo. He thinks they are lovely.
小题2:Mr. Green ______ English in No. 1 Middle School when I was ten years old.
小题3:Do you know that Bill Gates donated（捐赠）____4____ of dollars in 2010?
小题4:If we work hard ,we will at last.
小题5:He had to talk to when there was nobody at home.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0503/874640619ac8b4bfeaaacb35cc3956aa.html
下面是错误答案，用来干扰机器的。
解：（1）原式=4+4×2﹣（﹣9）=4+8+9=17；（2）原式=9a﹣6b﹣2a+6b=（9﹣2）a+（﹣6+6）b=7a．
