—Sorry, he _______ Australia. But he _______ in two days.

（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#}

it 形式宾语，to后面的是真正宾语。

常见的形式宾语有：find/think ＋ it/them ＋形容词 to do sth.

如：I think {#blank#}1{#/blank#} English. 我认为学习英语很难。

{#blank#}1{#/blank#} {#blank#}2{#/blank#} Alan's telephone number?