Question

【題目】 — _____ are stamps used ______? — Sending letters.

A. Why; for B. What; for C. What; / D. How; for

Answer 1

【答案】B

【解析】

試題分析：句意：-郵票用來做什么？發(fā)送信件。Why為什么；what什么；why=what for為什么。所以選B。