. “Shall we stop for lunch _____ shall we drive on?” “Let’s stop for lunch, but the driver can’t drink _____ drive.”
She is too fat, but she can’t ________ sweets.
When everybody was listening carefully, the noise of several people fighting outside____ the professor’s speech.
____ the chance, otherwise you’ll regret it.
People who can’t ____between colours are said to be colour -blind.
Would it be____ for you to pick me up at four o’clock and take me to the airport?