That's___used car which is often used__Mr.GreyA an;by Ba;by Can;with Da;with解释。

That's___used car which is often used__Mr.GreyA an;by Ba;by Can;with Da;with解释。
That's___used car which is often used__Mr.Grey
A an;by Ba;by Can;with Da;with解释。

That's___used car which is often used__Mr.GreyA an;by Ba;by Can;with Da;with解释。
B
第一空因为use虽然是元音开头,但是读音不是原音音素,所以不用an
第二空表示工具的使用,用by
有不会的可以再问我