题目内容
What we want is an environmentally friendly car, especially ____ is good on gas.
| A.one | B.one which | C.which | D.one that |
D
one 作an environmentally friendly car的同位语,同时one 又是后面定语从句的先行词,定语从句中缺少主语,one 是不定代词,所以只能使用关系代词that,故选D。
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