题目内容
The teacher told us that light ________ faster than sound．
[ ]
A．traveled
B．had traveled
C．is traveling
D．travels
答案：D
解析：
解析：
|
宾语从句为客观真理时时态不变． |
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题目内容
The teacher told us that light ________ faster than sound．
A．traveled
B．had traveled
C．is traveling
D．travels
|
宾语从句为客观真理时时态不变． |