---Hello, may I speak to your father, please?---Sorry, my father ______ to London. He went there this morning.
This is a blue pen. That is _______ orange pencil.A. a B. an C. The
Jenny Lin plays for _______.He is good at playing basketball.A.CCTV B.NBA C. BBC
— My family and I will go back to the USA tomorrow.— ____________
-- Must I do my homework right away?-- No, you _____. You_____ do it later.
-- Don’t cross the road when the traffic lights are red. -- .