1 have, 2 will happen, 3 will you stay, 4 would you choose, 5 ko có đề, 6 sits, 7 didn"t talk, 8 had, 9 run, 10 comes, 11 wouldn't have, 12 leaves, 13 wouldn't have bought, 14 would have brought, 14 will go, 15 studies, 16 have, 17 studies, 18 will be, 19 sell, 20 will be, 21 is
