Supply the correct form of the words in brackets 1. They led a (science) ……………..……………. expeditions across the dunes in 1930. 2. The police are still looking into the (mystery) ……………..……………. disappearance of the chief cashier. 3. The kitchen is the most (convenience) ……………..……………. room in my house. 4. I can think of (count) ……………..……………. reasons for not getting married; but even so, I still want to one day. 5. Mr. Lopez published books about (economy) ……………..……………. and politics. 6. One of the greatest (achieve) ……………..……………. in the 20th century was the electronic calculating machine. 7. I like doing things alone. I’m a(n) (depend) ……………..……………. person. 8. Scientists are now researching new measures to prevent (pollute) ………..……………. levels from rising. 9. Do you think it is not easy to find true (happy) ……………..……………. 10. If she fails the exam, she can (take) ……………..……………. it in the autumn.