In many countries,____ (1)_ in africa and the middle east, there is no 'door to door' (2)____of mail.For example, (3)___one post a letter to a street address in Namibia, it will be(4)__to sender as undeliverable. Consequently renting a post office box has traditionally been (5)___only way to receive mail in (6)___countries, although some, like Jordan, are now introducing home delivery Generally, post office boxes are rented from the post office either by individuals (7)___by businesses on a basis ranging fro monthly to annual, and the cost of rent varies depending (8)___ the box size.In the US, the rental rate used (9)___ the same across the country. Now, however, a postal facility can be in any of seven fee groups by location ; in (10)___, certain customers qualify for free box rental. 1 . A . hardly B. Particularly C. gradually D.Certainly 2 . A. delivery B. receiving C. Sending D. service 3 . A.because B.so C. if D. though 4. A. exchanged B.mailed C. called D. returned 5. A. a B. an C. the D. ∅ 6. A.so B. such C. such as D. as 7.A . or B. nor C. but D. along 8. A.in B.of C.on D. from 9. A.be B.being C. been D. to be 10. A.instance B.addition C. example D.Recent