（1）The little girl came here by train all by {#blank#}1{#/blank#} .
（2）Look! How {#blank#}2{#/blank#}  John is looking at his son.
（3）I couldn't understand why he was so{#blank#}3{#/blank#} in the invitation.
（4）From the{#blank#}4{#/blank#} floor of the hotel, you can have a good view of the town.
（5）We should spend as much time as we can {#blank#}5{#/blank#} for today's history exam.

﹣Good idea!

—Whose{#blank#}1{#/blank#}is this?

—It's my father's．