----I am really surprised that a policeman in his car __________ have hit several common pedestrians, killing one and injuring three.----Yes, If one __________ ask for trouble, what can we say?

--Whose T-shirt is this? --It ____ be John’s. It’s ______ small for him. 

—Some countries are taking action to occupy the islands of the South China Sea.—Yes, but I think they ____be punished sooner or later.

-- My cat’s really fat. --- You ______ have given her so much food.

—We want someone to design the new art museum for us.—______ the young fellow have a try?