seat practice

Domestic companies ( ) economic losses of about 700 billion yen ( ) year due to junk e-mail ( ) to computers and cell phones, according to a survey conducted by an Association. The association, which is an extragovernmental organization of the Internal Affairs and Communications Ministry, sent questionnaires to companies ( ) all industrial sectors, ( ) them how much junk e-mail, or spam, ( ) and the time and money they spent ( ) it. The association arrived ( ) the figure of 700 billion yen ( ) the time wasted by companies in deleting unwanted e-mail, which ( ) otherwise used contributing to the nation's gross domestic product.

1. a. suffer in b. suffer with c. suffer to d. suffer
2. a. a b. in a c. for a d. into a
3. a. having sent b. sent c. having been sent d. sending
4. a. around b. across c. over d. against
5. a. asked b. which asks c. asking d. which was asked
6. a. they received b. did they receive c. they were received d. were they receiving
7. a. to delete and block it b. for deleting and blocking it c. deleting and blocking it d. on deleting and blocking it
8. a. in b. to c. for d. at
9. a. by calculating b. to calculate c. for calculating d. on calculating
10. a. would be b. should have c. could have been d. must be