China has owned its first homemade aircraft carrier finally. That's really something to be {#blank#}1{#/blank#}  {#blank#}2{#/blank#}.

It's{#blank#}1{#/blank#} {#blank#}2{#/blank#}cold.

{#blank#}1{#/blank#}so polite {#blank#}2{#/blank#} you {#blank#}3{#/blank#} {#blank#}4{#/blank#} your seat to the old.

I called him {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} remind him of the party.

Mr Li {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} on the environment in our school yesterday afternoon.