1.   My sister will give last year’s clothes to the ……………. instead of throwing them away.

            A. charity                    B. shop                        C. people                     D. survey

      2.   Don’t throw rubbish into the river because you will make it ……………….           

            A. greener                   B. dirtier                      C. fresher                    D. cleaner

      3.   With a smart watch, you will ………………. your friends in other countries.

            A. talk                         B. take                         C. surf                         D. contact

      4.   In the future, we won’t go on holiday to the beach but we ………………. go on holiday to the moon.

            A. must                       B. can’t                       C. might                      D. won’t

      5.   There are many chairs in the kitchen, ………………there are no chairs in my bedroom.

            A. and                         B. because                   C. but