日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
Be careful not to get lost.
This is my first time trying this.
Be careful not to overeat.
This is my first time going alone.
Be careful not to make a mistake.
This is my first time using this.
Be careful not to overdo it.
This is my first time abroad.
Be careful not to trip.
This is my first time driving.
Be careful not to be late.
This is my first time presenting.