Can you remember what he {#blank#}1{#/blank#} {#blank#}2{#/blank#} ten years ago?

The children {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} in the classroom.

{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} is very important to our health. 

Please don't {#blank#}1{#/blank#} your classmates {#blank#}2{#/blank#}. You should get along well with them.

There is a space museum in our city, but I {#blank#}1{#/blank#}never {#blank#}2{#/blank#}there.

{#blank#}1{#/blank#} you go {#blank#}2{#/blank#} stay, you should call me before eight o'clock.