Please be quick, or we will have no time ____ have lunch.
Don’t eat ____ meat. If you do so, you’ll get _____fat.
It’s really kind ____ you to help me ____ my English.
This kind of shoes will keep you _____________ when you take a walk.
It just _________________ about 2 hours to get to Beijing by plane.
Kitty found _________ interesting _____________ the difference between the twins.