问题

Our physics teacher told us that light ________ faster than sound.
A:travel
B:travels
C:is travelling
D:has travelled
B:travels
C:is travelling
D:has travelled
正确答案是:
同类题型
We should always keep the classroom ________ and tidy.
I’m going to the aquarium ______ my next day off. [ ]
I ______ think he ______ come to my birthday party this evening.
The girl was flying a kite ____________ her father came back.
He told the interviewer that he had run out of money to buy old bikes.