Rewrite these sentences as directed in bracket.
29. Water pollution happens. Many aquatic animals such as fish can die. (lead)
(Joining two sentences, using the word in brackets.)
=> ………………………………..…………………………………………………
30. of bodies/ directly/ Air pollution/ contaminate/ can/ of water and soil/ the surface.
(Reorder the words to make full senteces.)
=>………………………………………………………..…………………
31    I think you should use energy efficident light bulbs.
 (Rewrite the sentences, using the conditonal type 1 or type 2.)
=> If ………………………………………………………..………………
32.    Minh isn’t hardworking, so he often gets bad marks.
 (Rewrite the sentences, using the conditonal type 1 or type 2.)
=>If ……………………………………………………………..……….…