The lack of eco-friendly habits among the public is thought to be a major __________ of global climate change.
Will you deliver, _____ do I have to come to the shop to collect the goods?
I firmly believe _____ he said at the meeting was right.
He imagines that people don’t like him, _____ they do.
“Would you like tea _____ coffee?” “_____, thanks.”
“_____ when does the pub stay open?” “About midnight.”