Many people do not realize the importance of health _____ they have fallen ill.
Jenny is going to ____a new hobby next month.
Jack is ____of the two boys.
— Excuse me, is Yangzhou Science Museum open every day?—_________. It’s only open from Monday to Friday.
—What’s your Chinese teacher like?—_________.
—Are _________ of you from the same family, Jane and Ann?—Yes, we are sisters.