Mark the letter A, B, C or D to indicate the correct answer to each of the following questions

Mark the letter A,B,C or D to indicate the correct answer to each of the following questions
6. Son Tung often helps his mom to pick_______in the orchare
A.fruit                          B.trees                            C.plants                                   D.songs
7. Mr Buong ______ in London at the moment
A. studies                    B.is studying                   C.has studied                            D.will study
8. Mono danced ___________than Mr Buong , my teacher
A. beautiful                  B.more beautiful              C.beautifuler                             D. more beautifuly