Our physics teacher told us that light ________ faster than sound.
#40111
A
travel
B
travels
C
is travelling
D
has travelled
推荐题目
If  I______you, I_______go there at once.
#37470
A
am, would
B
were, would
C
were, will
D
am, will
 The girl sitting next to me on the plane was very nervous, for she            before.
#39482
A
hasn’t flown
B
hadn’t flown
C
didn’t fly
D
wasn’t flying
I am very sad that I ______ many chances in the last few years.
#41886
A
miss
B
missed
C
have missed
D
am missing