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