______ makes this small restaurant different is that it offers three free cups of beer to its customers every Sunday morning.
She always come to our help when we get into trouble ____ she is very busy.
He has three brothers, ________is a doctor.
As teenagers of the 21st century, we should be ready to _____ the challenge of society.
The reason _____ they held a party was _____ it was Sue’s birthday.
--Why do you look pale today? --I was very ________my mother’s illness. I stayed awake last night.