完成句子(1)你最好写一本关于如何保护动物的书。
You had better {#blank#}1{#/blank#} a book {#blank#}2{#/blank#} how to protect the animals.
(2)我们应该知道该干什么和不该干什么。
We should know {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#} and {#blank#}6{#/blank#} {#blank#}7{#/blank#} {#blank#}8{#/blank#} {#blank#}9{#/blank#}.
(3)你为什么不步行上班呢?它对健康有好处。
{#blank#}10{#/blank#} {#blank#}11{#/blank#} go to work on foot? That's good for your health.
(4)老师问玛丽:“你有没有更多的想法?”
The teacher asked Mary, “Do you have {#blank#}12{#/blank#} {#blank#}13{#/blank#} ideas? ”
(5)我喜欢这本由马克·吐温写的小说。
I like the novel {#blank#}14{#/blank#} by Mark Twain.