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.
