1. The river water is severely polluted, mostly________ the dumping of raw sewage.

• due to

• lead to    

• because    

• so

Find the words with the underlined parts pronounced differently from the others.

• looked

• suggested      

• minded   

• decided

Because the world’s temperatures rise, the Arctic keeps losing its ice.

=>Due to______________________________

If we  ______ more trees in the forests,  people will have more fresh air to breathe.

• may plan

• would plan

• plant     

• will plant

. _______ water has caused the extinction of many species.

• Contamination    

• Contaminants       

• Contaminated

• Contaminate

“Is your uncle working as a pilot for NASA?” Julia asked me.

=> Julia asked ________________________________

Unless he is tired, he wiil go out with his friend.

=> If______________________________

Because he received his  father’s letter, he felt very happy.

=> Due to______________________________________

Contaminated water can cause of many types of diarrheal diseases, including cholera.

      A                                  B                                                   C             D

• Contaminated

• cause of

• diseases

• including

Answer explanation

cause of => cause

Complete the sentence using cue word.

After/the storm/pass/people/came/back/to/their/ normal/ life.