Question

You’d better carry a(n)______tyre in the back of your car in case it breaks down on the way.

1. A.
   extra
2. B.
   free
3. C.
   convenient
4. D.
   spare

Answer 1

D
词义辨析。     A.额外的    B. 免费的；空闲的    C. 方便的 D. 多余的；备用的；句意：万一在路上抛锚，你最好在车后备箱里带一个备用的轮胎。故选D。