—Why were you angry with Mike this morning? —Because he took my bike .
—Excuse me, could you tell me ________ a book about music? —Sure. They are on the second floor. A. where can I buy B. where I can buy C. when I can buy D when I can buy
We must follow Sign ______ to save every drop of water.
Many people enjoy _______ the CD ________ Heart Strings.
--Listen! Marry is singing in the next room. -- It __ ___ be Marry. She has gone home.
--Drivers in England drive cars on the left of the roads. -- .