33The highway through the rain forest was completed in 1990, _________some animal species have died off

Please don’t forget to water the flowersduring my absence— ______ You can depend on it

I counted sheep, I drank milk and I tried everything, but nothing helped—It seems you _____ too much recentlyTry some sleeping pills

China’s education reforms aim to better develop students’ ability to think ______.

_________ is said that most teenagers haveproblems such as Li Ming’s.