3.The teacher told us that light _______ as sound.A.didn’t travel as slowly B.doesn’t travel as quickly C.travel as quickly D.don’t travel as slowly

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3.The teacher told us that light _______ as sound.A.didn’t travel as slowly B.doesn’t travel as quickly C.travel as quickly D.don’t travel as slowly

3.The teacher told us that light _______ as sound.A.didn’t travel as slowly B.doesn’t travel as quickly C.travel as quickly D.don’t travel as slowly
3.The teacher told us that light _______ as sound.
A.didn’t travel as slowly B.doesn’t travel as quickly
C.travel as quickly D.don’t travel as slowly

3.The teacher told us that light _______ as sound.A.didn’t travel as slowly B.doesn’t travel as quickly C.travel as quickly D.don’t travel as slowly
A.didn’t travel as slowly
如果是C 要用:travels 或 travelled
因为是真理,所以,还是现在一般时好些.
但也要以意思为主,所以B不行,意思反了.