题目内容
——I haven't got a camera.
——I think you should buy_______. It's useful for you.
——I think you should buy_______. It's useful for you.
A.one | B.this | C.that | D.it |
A
one代指上文中提到的事物之中不确定的一个,而BCD都指的是确切的一个,故选A
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