My physics teacher said that light________faster than sound.
A. travels
B. travel
C. travelled
D. travelling
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Lucy said she ____such a beautiful piece of music before.
A. hasn't heard
B. hadn't heard
C. doesn't hear
D. didn't hear
I don't know if it __________tomorrow, If it _____________, I'll not go fishing.
A. rains;rains
B. Rains;will rain
C. will rain; rains
D. will rain; will rain
They said that they ______ in a week.
A. will come back
B. would come back
C. come back
D. Came back
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