（1）run it under water {#blank#}1{#/blank#}  

（2）put your head down {#blank#}2{#/blank#}    

（3）跌倒 {#blank#}3{#/blank#}  

（4）晒伤{#blank#}4{#/blank#}    

（5）have problems doing sth.{#blank#}5{#/blank#} 

（6）be used to doing sth.{#blank#}6{#/blank#}

I don't {#blank#}1{#/blank#} {#blank#}2{#/blank#} my classmate.

{#blank#}1{#/blank#} {#blank#}2{#/blank#}people leave the countryside to work in the cities every year.

Many useful things around us{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}.

Women usually {#blank#}1{#/blank#} a lot of time {#blank#}2{#/blank#} the clothes in the mall.