1. the internet has helped students study mỏre (effect).................. 2.it is (disappoint) ....................................that our environment is more and more polluted 3.we are trying to have a(n) (pollute)_________________world 4.I am thankful to my teacher who always gives me lots of (courage)_________________to better my knowledge

1. the internet has helped students study more (effect)........Effectively..........
2.it is (disappoint) ...................Disappointing.................that our environment is more and more polluted
3.we are trying to have a(n) (pollute)_______Unpolluted__________world
4.I am thankful to my teacher who always gives me lots of (courage)_______Encouraged__________to better my knowledge

cho mk xin ctlhn nhé