Question

【题目】Scientists have managed_________ robots walk and dance easily.

A. to make B. making C. makes D. to making

Answer 1

【答案】A

【解析】

试题分析：句意：科学家已经可以很容易的设法制造出会走路和会跳舞的机器人。Manage to do sth.根据句意，故选A。