Our teacher told us that light _____ much faster than sound.
#41507
A
traveled
B
travels
C
is traveling
D
was traveling
推荐题目
When the teacher came in , the students       about the new film .
#37507
A
are talking
B
were talking
C
talked
D
talking
Mary isn’t ________ a book.  She is ________ TV. 
#42456
A
seeing, seeing
B
watching, looking
C
reading, watching
D
looking at, watching