Look at the timetable (时刻表). Hurry up! Flight 4026 _______ off at 18:20.
The young man ____ drugs was sent to hospital yesterday.
The time is not far away ________modern communications will become widespread in China’s vast countryside.
____ about wild plants that they decided to make a trip to the mountain.
----What have you been ____ these days? ----Preparing for my daughter’s wedding party.
At a rough estimate, Nigeria is ____ Great Britain.