①在地球上{#blank#}1{#/blank#}   ②参与某事{#blank#}2{#/blank#}

③在未来{#blank#}3{#/blank#}    ④许多；成百上千{#blank#}4{#/blank#}

⑤与……一样{#blank#}5{#/blank#}   ⑥多次；反复地{#blank#}6{#/blank#}

⑦感到厌烦的{#blank#}7{#/blank#}  ⑧倒塌{#blank#}8{#/blank#}

They are trying to help the {#blank#}1{#/blank#} {#blank#}2{#/blank#}.

"{#blank#}1{#/blank#} {#blank#}2{#/blank#}!" she yelled. "Somebody's shooting!"

{#blank#}1{#/blank#} {#blank#}2{#/blank#} a park near here?

There are many {#blank#}1{#/blank#} {#blank#}2{#/blank#} food in the dining hall.