点拨：{#blank#}1{#/blank#}意为"习惯于做某事"，其中 to为介词，后面接名词代词或动名词作宾语。如：Linda is used to getting up early.

辨析：{#blank#}2{#/blank#}习惯于做某事

{#blank#}3{#/blank#}过去常常做某事

{#blank#}4{#/blank#}被用于做某事

{#blank#}1{#/blank#} they {#blank#}2{#/blank#}? No, {#blank#}3{#/blank#} {#blank#}4{#/blank#}.

Is there a book{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}?

This glass {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} new things.

When is {#blank#}1{#/blank#} {#blank#}2{#/blank#} birthday?