Question

The teacher said to us that light ________ much faster than sound．

1. A.
   will travel
2. B.
   traveled
3. C.
   travels
4. D.
   was traveling

Answer 1

C
光傳播速度比聲快是個不變的真理，像這樣的情況變間接引語時時態(tài)不變，總是用一般現(xiàn)在時。