I{#blank#}1{#/blank#}when the accident happened．

{#blank#}1{#/blank#}his idea{#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}yours?

Look! There are {#blank#}1{#/blank#} {#blank#}2{#/blank#} planes at the airport.

He thinks he should be allowed to {#blank#}1{#/blank#} for {#blank#}2{#/blank#}.

⑴bring            {#blank#}1{#/blank#}           {#blank#}2{#/blank#}    

⑵build            {#blank#}3{#/blank#}           {#blank#}4{#/blank#}   

⑶buy            {#blank#}5{#/blank#}           {#blank#}6{#/blank#}

⑷catch            {#blank#}7{#/blank#}           {#blank#}8{#/blank#}

⑸fly            {#blank#}9{#/blank#}           {#blank#}10{#/blank#}

⑹lose            {#blank#}11{#/blank#}           {#blank#}12{#/blank#}

⑺put            {#blank#}13{#/blank#}           {#blank#}14{#/blank#}

⑻spell            {#blank#}15{#/blank#}           {#blank#}16{#/blank#}

⑼spread            {#blank#}17{#/blank#}           {#blank#}18{#/blank#}

⑽teach            {#blank#}19{#/blank#}          {#blank#}20{#/blank#}

The people began to {#blank#}1{#/blank#} bravely {#blank#}2{#/blank#} the enemy.