Question

【题目】We all know that learning a foreign language ______ time and effort.

A. requires B. reduces C. removes D. Repeats

Answer 1

【答案】A

【解析】

试题分析：句意：我们都知道学习一门外语需要时间和努力。A. Requires需要；B. Reduces减少； C. removes 迁移；D. Repeats重复，根据句意此空应是需要，故选A。