--- Mr Wu, could you tell me ________?--- You’d better do more speaking.
We are glad to hear that the Greens __________ to a new flat next week.
Now my father __________ his bike to work every day instead of driving.
By the end of the last month, I _____________ all the CDs of Justin Bieber.
You _________lose your way if you walk alone in the mountains at night.A. may B need C. should D. ought to
We didn’t start our discussion __________ everybody arrived.