Opposite is St.Paul's Church,___you can hear some lovely music.
The father and the son entered the tiger area _______ two doors were open at the time.Suddenly five tigers appeared, one of which killed the father.
Gilbert wasn’t ______ the time this morning, so he was late for school.
We should consider the professor’s advice _______ our school library provide more books on popular science.
If Newton lived today, he would be surprised by what _______ in science and technology.
Pip agreed to give some piano lessons to the girl_______ for a generous gift from her mother.