7. Nobody believed his reason for being absent from his class _____ he had to meet his uncle at the airport.
She sings quite well. But _____, she is an English teacher, not a music teacher.
The plan was canceled after someone presented _____ objections to it at the meeting.
The thief was caught by the police in the railway station before he was able to _____.
The construction workers completed the bridge three months _____ time and were praised by the local people.
A lot of revolutionaries _____ their own lives for the liberation of our country.