Chương 34. Bài Tập (Exercises) (tr.507)

Đáp ánTrang 507

V.

  1. have visited
  2. have been wandering/ have been walking
  3. haven't spent
  4. have taken/ have been taking/ have been getting/ have been doing
  5. have had
  6. has been
  7. say
  8. rains
  9. have been/ have come
  10. guest/ suppose