—当你得到别人的帮助后,你应该对他说什么?
( ) 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_______.