The factory ____its waste into the river, but now it deals w

1个回答

  • 1used to do sth.

    used to 意为“过去常常”,可看作半助动词或情态动词,其后跟动词原形,表示过去的习惯、经常发生的动作或状态.如:

    He used to be a teacher in our school.他曾经是我们学校的一位老师.

    There used to be an old temple near the village.过去村子的附近有一座古庙.

    2、 be used to doing sth.

    be used to doing sth.表示“习惯于做某事”,其中to是介词,后接名词或动名词.如:

    The old man and his wife have been used to living a simple life.这对老夫妇已经过惯了简朴的生活.

    I am not used to my new job.我不习惯我的新工作.

    Is she used to walking after supper?她习惯晚饭后散步吗?

    be used to还可用get used to表示“渐渐习惯于……”.如:

    You'll get used to your new job.你很快就会习惯新工作的.

    3、 be used to do sth.

    be used to do sth.表示“被用来做某事”.如:

    This computer is used to control all the machines.这台电脑是用来控制所有机器的.、

    没有used to doing

    故选C