—Granny,you look so weak.What’s wrong with you? —The factory made________noise.It was________noisy that I couldn’t sleep well last night.
—You aren’t a stranger, are you? —______, don’t you remember______me at the school gate ten minutes ago?
Newton was playing under an apple tree ____ an apple fell onto his head.
Which of the diagrams below shows the air temperature of Beijing in a year?
______ great scientist Qian Xuesen is!
I don’t know when he ______. When he ______, I will let you know.