1. A. costly                   B. fastener                  C. portable                  D. smartphone

2. A. determine           B. profile                     C. science                    D. versatile

3. A. benefit                B. generous                 C. inventor                  D. video

4. A. fabric                  B. iminate                   C. laptop                      D. patent

5. A. company             B. compose                 C. comprise                 D. computer

6. A. hot tea                B. phone call               C. soft ware                 D. tall boy

7. A. bus stop               B. cell phone               C. light bulb                 D. white board

8. A. flying car             B. mother tongue        C. online game            D. pencil case

9. A. fire fighter          B. heart attack                        C. self interest             D. train station

10. A. credit card        B. football match        C. living room             D. swimming pool