① {#blank#}1{#/blank#}     A. this    B. truth    C. their

② {#blank#}2{#/blank#}     A. hurdle   B. hour    C. huge

③ {#blank#}3{#/blank#}     A. pear    B. near    C. wear

④ {#blank#}4{#/blank#}     A. how    B. below    C. grow

⑴{#blank#}1{#/blank#} ago     shop

⑵{#blank#}2{#/blank#} fast      wake

⑶{#blank#}3{#/blank#} sky      fly

⑷{#blank#}4{#/blank#} read      learn

⑸{#blank#}5{#/blank#} hair      chair

⑹{#blank#}6{#/blank#} enough      should