—A shy boy like John ________ give up a secure job and start his own business!—Yes，nobody had expected that. 

He bought another new car. He _____ a lot of money.

She is a quiet girl at school，but sometimes she _____be very naughty．

—Isn’t that Ann’s husband over there? ---No, it _______be him. I’m sure he doesn’t wear glasses.

How kind you are! You always do what you can_________me.