问题
选择题
The teacher said that light ___ faster than sound.
A．travelled
B．had travelled
C．travels
D．were travelling
答案
答案：C
这里的that引起宾语从句是指一条真理，所以要用一般现在时。
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The teacher said that light ___ faster than sound.
A．travelled
B．had travelled
C．travels
D．were travelling
答案：C
这里的that引起宾语从句是指一条真理，所以要用一般现在时。