The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time ________ everything returns to normal.
_____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
The number of foreign students attending Chinese universities _____ rising steadily since 1997.
If you sit near _____ front of the bus, you’ll have _____ better view of the rapidly changing city.
The car broke down, and I had to_____ on foot
Don’t turn round .Go______ on till you see the hospital.