单项选择题
Don't leave your luggage in the corridor. It'll be （）
A．on B．by C．in D．to
单项选择题 Of the two toys, the child chose （）
单项选择题 "Whats your opinion of our teachers new painting" "It would seem to me that its（）his usual standard."
单项选择题 Can you remember all the ______ for our school （）
