The teacher said that light____ much faster than sound.A.travelled B.travels C.will travel D.is travelling

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 21:53:44
The teacher said that light____ much faster than sound.A.travelled B.travels C.will travel D.is travelling

The teacher said that light____ much faster than sound.A.travelled B.travels C.will travel D.is travelling
The teacher said that light____ much faster than sound.
A.travelled B.travels C.will travel D.is travelling

The teacher said that light____ much faster than sound.A.travelled B.travels C.will travel D.is travelling
B
客观真理用一般现在时(尽管放在宾语从句中)

b

B

B 这是自然现象,客观真理,所以要用一般现在时

选B
光速快于声速是事实真理,改为间接引语时不需要改变时态,依然沿用travels,故选B

B 这是客观真理,所以要用一般现在时