⑴充满了 {#blank#}1{#/blank#}

⑵在……底端 {#blank#}2{#/blank#}

⑶在……中起作用 {#blank#}3{#/blank#}

⑷给某人写信/邮件 {#blank#}4{#/blank#}

⑸扔掉……  {#blank#}5{#/blank#}

⑹被污染了 {#blank#}6{#/blank#}

⑺过去常做某事 {#blank#}7{#/blank#}

⑻在公共场所乱扔垃圾地{#blank#}8{#/blank#}

⑼彻底打扫清除 {#blank#}9{#/blank#} 

⑽关闭……{#blank#}10{#/blank#} 

⑾做某事的想法/主意{#blank#}11{#/blank#}

⑿把……变成{#blank#}12{#/blank#}

Our parents {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} us.

The old house {#blank#}1{#/blank#}because of the strong wind last night.(fall)

{#blank#}1{#/blank#} you {#blank#}2{#/blank#} your help. {#blank#}3{#/blank#} {#blank#}4{#/blank#} your help, I have a good day.

The government has spent a lot on  {#blank#}1{#/blank#}  this year.