—You have written your book report _____ one hour. Have you finished it?—Not yet! But I think it is due _____ one hour.
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.
_________ scientist Tu Youyou won the Nobel Prize for medicine (诺贝尔医学奖)_________ October 5, 2015.