I.Connect the sentences using the words in brackets . 1.The water is polluted. The fish are dead ( because of ). ………………………………………………………………………… 2. Global warning happens. There is too much carbon dioxide in the atmosphere (cause) ……………………………………………………………………………………….. 3.Ships spill oil in oceans and rivers. Many aquatic animals and plants die.. ( lead to). …………………………………………………………………………………….. 4.Students are more aware of protecting the environments. Teachers teach environmental Issues at school. If ………………………………………………………………………………… ………………………………………………………………………………………… 5.She has a headache after work everyday. She works in a noisy office If ………………………………………………………………………………………….. 6.Vy had a stomachache. She ate a big dinner.( since). …………………………………………………………………………………………. 7. People throw rubbish in the streets. The streets doesn’t look attractive. If ,…………………………………………………………………………………….. giúp em vote cho 5 star