The 2016 Olympic ____ will be held in Rio de Janeiro, Brazil. I’m looking forward to it.

做完饭别忘了关掉煤气。
Don’t forget to turn off the ____ after cooking.

我爷爷七十岁了，但看起来依然帅气。
My ____ is 70, but he still looks handsome.

从今以后，在我国游客的不良行为会被政府记录下来。
Tourists’ bad behavior will be recorded by the ____ in our country from now on.

根据所给的单词的适当形式填空。
Gratitude(感谢) doesn’t always come naturally. Unluckily, most children and many ____ like only the thing given rather than the feelings shown in it. (grown-up)

He lost his iPad last ____ (星期五). He was very sad.

在爱因斯坦完成学业之后，他继续在瑞士学习物理。
After Einstein ____ school, he went on to study ____ in Switzerland.

—Lots of trees and f____ are planted in Zhengzhou every year.
—You’re right. That makes our city more and more beautiful.

An unhappy home ____（环境）can affect a child’s behavior.

用括号中所给单词的适当形式填空。
They stare in ____ at the black smoke rising above the burning building. (believe)