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. It’s obvious that volunteers are passionate about doing something good for others.

       A. clear                    B. right                        C. exact                                 D. unclear

4. Speakers are too bulky. You cannot put them in your bag or your pocket.

A. giant                       B. heavy                      C. large                       D. tiny

5. A digital camera is convenient as it is quick to view and delete as well as easy to transfer photos to a computer.

A. harmful