As both books look interesting, I don't know which to buy.
難易度：高（11語）
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Will you please tell me what to buy at the store?
You must(have to) decide which book to buy.
It's good to see you.
It's really humid today.
Who is the tallest in your class? Tom is.
Who is taller, you or your father?
How much is this?
Can I try this on?
Do you have a bigger size?
Do you have this in another color?
I don't need a receipt.
The red car is the most expensive of these ten cars.