It was not until she got home ______ Jennifer realized she had lost her keys.

When were you born?— I was born August 26th, 1978. [ ]

Beijing is _____ capital of China and it is _____ city with many places of interest.

Rather than ________ on a crowded bus , he always prefers ________ a bicycle.

The hazy weather has ________ for almost a week in North China. —Yes, and the government has tried to solve it.