Question

【题目】Many scientists believe that robots __________ able to talk like humans in 50 years.

A. wereB. are

C. will beD. have been

Answer 1

【答案】C

【解析】

考查时态。句意：许多科学家认为，五十年过后，机器人将能够像人类一样说话。描述＂五十年后＂将要发生的动作或状态，用一般将来时态。故选C。