Fifty dollars for such a T-shirt! You _______ be joking!—I’m serious．It’s made of silk.

He is _________ a meeting .[ ]

This problem is said _____ three times.

Are you bored with your life? Do you feel depressed every day? Do you want to try something new and exciting? _______, ______ the Comedy Club, which is sure to brighten your life up.

He is very ________today. Look, he is laughing _________.