点拨：①{#blank#}1{#/blank#}意为"让某人惊讶的是"。相似的结构：{#blank#}2{#/blank#}让某人高兴的是，{#blank#}3{#/blank#}让某人失望的是。

如：To my disappointment, I didn't pass the exam.

②{#blank#}4{#/blank#}意为"同意做某事"。

如：He didn't agree to give his son so much money.

When you ride a bike on the road，you must{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} the traffic．

His spoken English{#blank#}1{#/blank#} {#blank#}2{#/blank#}in a{#blank#}3{#/blank#} way.

Everyone in this town should {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} cleaning it up!