The old scientist has devoted most of his time to his hometown.
-_______ Lucy come from Yangzhou? –No,she _____ from Yangzhou.
—Hi, Daniel. Let’s play football after school. —But we don’t have football now.
--- Do you know the workers built _______180-metre-long bridge over the river? --- Really? That’s amazing.
--- Can you help me take these books to the office? ---_______.
--- I wonder _______ . --- You can ask the policeman over there.