._______ has already been pointed out, grammar is not a set of dead rules.
—I’m thinking of losing weight these days. —Oh, you_______be out of your mind. You’re 50 kilograms at the most!
If you don’t study hard, you’ll regret, _____ you?
Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.
—How long have you been in this office? —Just a few minutes. My cousins_______here together with me.
In America, _____ car is _____ popular means of transportation.