题目内容
I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.
A.one | B.it | C.this | D.that |
A
下文与上文提到的东西中的一个,用one ,故选A
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A.one | B.it | C.this | D.that |