题目内容
Tom is expecting a pet for long, but his daddy has no time to buy _________ for him.
- A.it
- B.one
- C.this
- D.that
B
one 代替上文提到的事物中不确定的一个,故选B
one 代替上文提到的事物中不确定的一个,故选B
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Tom is expecting a pet for long, but his daddy has no time to buy _________ for him.
| A.it | B.one | C.this | D.that |