Question

The teacher said that ____________________

1. A.
   light travel much faster than sound
2. B.
   light travelled much faster than sound
3. C.
   light had travelled much faster than sound
4. D.
   light travels much faster than sound

Answer 1

D
這題考查賓語從句的用法，當賓語從句的內(nèi)容是客觀真理時，即使主句是過去時，從句也是一般現(xiàn)在時，又因為主語是：light，謂語用travels。選D。