用USED TO ,DE USED TO ,BE USED FOR填空 mrs black___be a bus driver
问题描述：
用USED TO ,DE USED TO ,BE USED FOR填空 mrs black___be a bus driver
答
填used to，表示“过去常常, 习惯于”
例如：He used to go to our school.
We're eating out more often than we used to.
be used to 习惯于（后接动名词或现在分词）
被用来（后接动词原形）
例如：I'm used to getting up early.
Wood is often used to make desks and chairs.木头常常被用来制作桌椅。
be used for 用于...
例如：A hammer is used for driving in nails. 鎚子是用来钉钉子的.
答
USED TO
答
used to do sth 过去常常做某事 be used to do sth 被用来做某事
答
选used to 过去（常常）
be used to 习惯
be used for用作于
答
Uesd to 过去,曾经