1.步行有益健康。

Walking  {#blank#}1{#/blank#} your health.

2.汤姆这些天在忙着准备期末考试。

Tom is{#blank#}2{#/blank#} his end-of-term exams these days.

3.幸亏你的帮助，我才按时完成了工作。

{#blank#}3{#/blank#} your help, I finished my work on time.

4.我们的新操场是去年建成的。

 {#blank#}4{#/blank#}

He always tells me{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}my dream．

He is the first man to travel{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}by himself.

She won four times {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} last year.

Why not {#blank#}1{#/blank#} {#blank#}2{#/blank#} your parents?