1-C. (3) They must listen to a computer-generated voice.(3) They must listen to a computer-generated voice.
(3)彼らは、耳を傾ける必要があります、コンピュータで生成された声にダヨ。
2-C. GPS is helpful because it is safer to listen to a computer-generated voice giving directions than it is to look at a map while driving.GPS is helpful because it is safer to listen to a computer-generated voice giving directions than it is to look at a map while driving.