【正文】 e people on the mountain top were not fortable reusable unfortable unhealthy unclean impossible untrue 2） If you are always ready to help people, you are______ 3） If you write something and it isn’t very good, you should ______ it 4） If you aren’t certain about something, you are ________. 5） If something isn’t perfect, it is______ 6） If something is without any use, it is ________. （ 2）請在小組內或結對，進行說的訓練，并結對互評或小組互評，糾正出現(xiàn)的錯誤。 1).Find more words which are posed of prefix and suffix, such as able,ful, less, im,re,un” as many as possible. 2). Make sentences with the words you find.（ petition :say as many sentences as you can 綜合運用 the sentences with the correct form of the words in the box to school is both _________ and environmentally friendly. really need to be ________ with things bad to the environment. can do a little bit to help with __________ problems is ________ to throw away the ________ shopping bags are ________ about new ways to save energy b. Complete the conversation with the correct form of the phrases in the box: Mike: I hear you’r