Cambridge 13 test 4 writing task 1 band 9 July 8, 2019 16 32 64 128 Cambridge 13 writing task 1 test 4 band 9 Cambridge 9 writing task 1 test 1 Cambridge 4 writing task 1 test 1 Cambridge 13 writing task 1 test 1 Cambridge 9 writing task 2 test 4 Cambridge 13 writing task 1 test 2