Question

【题目】--- I hear you have a home robot.

---Yes, it's amazing. It ________ do all my housework.

A. must B. should C. could D. can

Answer 1

【答案】D

【解析】A. must必须，应当；B. should应该；C. could表示语气委婉的请求，"可以，能"或作为can的过去式；D. can能，会。根据句意可知家用机器人能做我所有的家务，这里句子叙述一件事实，应该用一般现在时。故选D。