当遇到同学、朋友、长辈等,需要打招呼时,你应该说:A.Goodbye! B.What's your name? C.Hello!
( ) The word “easy” is ________ than the word “difficult”.
( ) My brother_______ while he_______ his bike and hurt himself.
( ) I see ________ inside the envelope.
( ) —Must I finish my homework now? —No, you_______. You_______ finish it tomorrow.
( ) The rain comes from the_______.