`Ans:` More worried

`->` Small children can be more worried than adults about saying "inappropriate" things.

`->` So sánh hơn: S + be + adj-er/more + adj + than + S

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Small children can be (worried) more worried than adults about saying "inappropriate" things.

→Vì có than nên ta dùng so sánh hơn

→worried là từ có 2 âm tiết nên là tính từ dài → more worried

 So sánh hơn: S `+` be`+` adj-er/more `+` adj `+` than `+` S