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
詞義辨析。     A.額外的    B. 免費的；空閑的    C. 方便的 D. 多余的；備用的；句意：萬一在路上拋錨，你最好在車后備箱里帶一個備用的輪胎。故選D。