–– ________ I come back before 6 o’clock?–– No, you _______ . But you ______ be back later than 7 o’clock.

You __________ tell anyone about this — it’s a secret.

A traffic regulation released in a foreign country states that passengers sharing a car with a drunken driver _____ be punished together with the driver himself.

 The first snow of every year is always so exciting, but too much snow _________ cause trouble

—________ you leave your room in such a mess?—Sorry，Mum.I forgot to tidy it up.