Please ask Ann ______ the notebook. You can call her _______ 8837939.

Many clothing manufacturers now substitute artificial silk _____ natural silk to cut down costs of production

You ________ play with the knife. You ________hurtyourself.

The little girl ________ her seat to an old man on the bus.—What a kind girl!

You can usuallyquite well without knowing the exact meaning of each word.