Our teacher told us light (光) _________ much faster than sound .
A.travelsB.traveled
C.had traveledD.will travel
A
本題考的是賓語(yǔ)從句,但是從句是光比聲的速度快,這是真理,所以不管主語(yǔ)是什么時(shí)態(tài),從句時(shí)一般現(xiàn)在時(shí)。
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