While I was walking along the lake, I saw some fish________ out of the water.
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.
------Whose shirt is this? ------ It _______ be Li Lei’s. It is too big for him.
Stop smoking, _______ you will get better soon.