{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} that it is necessary to know some knowledge of first aid as dangers lie everywhere.

Don't {#blank#}1{#/blank#} for your failure, you are supposed to {#blank#}2{#/blank#} your effort to study harder.

I think it's better{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}your partner about the matter.

{#blank#}1{#/blank#} can you{#blank#}2{#/blank#} them{#blank#}3{#/blank#} the {#blank#}4{#/blank#}of driverless cars?