题目内容
Our teacher told us that light _____ much faster than sound.
A.traveled B.travels C.is traveling D.was traveling
【答案】
B
【解析】此题考查宾语从句的时态。当宾语从句描述的是事实或客观整理,不管主句的谓语动词是什么时态都要用现在时。
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Our teacher ____ in our school for 29 years and he ____ here when he was 23 years old.
| A.has taught has come | B.taught , comes |
| C.taught , came | D.has taught, came |