完成句子（共20空；每空0.5分，满分10分） 小题1:He decided to devote himself to the protection of the Changjiang River. He decided to be ________ to __________  the Changjiang River. 小题2:It’s a good idea for you to _________  ___________  ______  ______(充分利用) micro-blogging(微博) to help improve your business if you are a business man or woman. 小题3:John will ______  _______ of (负责)the next meeting. 小题4:He is always ___  ___  __(找茬)other people though he doesn’t do his own work properly. 小题5: This book is different from _____  _____  ____ I read(我昨天读的) last night. 小题6:I’ve lost my umbrella and Mary has lost her umbrella , too. I’ve lost my umbrella and ________  _______  ________. 小题7:The mid-term exam is coming soon. The students are busy _____  _____  ___ (准备) it.