你想要一块口香糖吗？

Do you want a piece of ___chewing ___gum?

在动物园里不允许给猴子喂口香糖。

It's not allowed to give the monkeys ___chewing ___gum at the zoo.

我讨厌踩到人行道上被丢弃的口香糖。

I hate it when I step on discarded ___chewing ___gum on the pavement.