The weather in Yang Zhou is much colder than _____ in Hainan in winter.

—Who is the boy over there?—It’s ______ brother.

—Who taught ________ to write the computer program?—Nobody. She learned it by __________.

 I’m sure I can improve ____in spoken English in two years’ time.

My friend Rose always hurts        playing sports, so her mother worries about       Very much.