I like the book so much that I'll buy it, _______.
Fortunately , the adventurers brought the GPS with themselves, they might have been lost in the desert.
— People should spare no efforts to protect the environment. — ________. Air pollution does harm to our health.
Our responsibility is weightier than ______Mount Tai, and our road ahead is _______ long one.
Never before______ such a wonderful park, ______ I'd like to pay a visit again.
impresses me most is Chinese students are well organized and disciplined. We should learn from them.