-----I have ______ money. Can you lend me some?-----Ok. But you must return it to me next week.
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.