It's polite to {#blank#}1{#/blank#} {#blank#}2{#/blank#} the door before you come in.

I {#blank#}1{#/blank#} {#blank#}2{#/blank#}at 6 a. m. and {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#}at 9 p. m.

The{#blank#}1{#/blank#}kids learn to be independent, the better it is for their{#blank#}2{#/blank#}.

The thief wanted {#blank#}1{#/blank#} at once when the policemen came.

— 从不。他们总是早早上床睡觉。

— How often do they {#blank#}1{#/blank#} {#blank#}2{#/blank#} late?

— Never. They always {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#} early.

{#blank#}1{#/blank#} {#blank#}2{#/blank#} Sally two hours {#blank#}3{#/blank#} {#blank#}4{#/blank#} all the housework last night.