I. Choose the best answer to complete each of the following sentences. 1. Mr. Brown__________ for the day when the phone call came. A. has already left B. already leaves C. already left D. had already left 2. Ms. Hoa__________ the package when she discovered the address was wrong. A. had mailed B. has mailed C. will mail D. would mail 3. We__________ in the sitting-room for hours when he finally came home. A. had been sitting B. have sat C. will be sitting D. sat 4. Before the cancellation letter arrived, they__________ the goods. A. send B. had sent C. have sent D. had been sending 5. The accident happened when one of the workers__________ the chemical tank. A. was cleaning B.were cleaning C. cleaned D. had been cleaning 6. When I left the office, the building was empty because everyone__________ A. was leaving B. had been leaving C.were leaving D. had left 7. When the company went public, Mr. Smith__________ it for four years. A. is running B. was running C. ran D. had been running 8. She fainted because she__________ for 10 miles without a rest. A. run B. had run C. was running D. had been running 9. Mr. Hung__________ a trip to the islands until he realized it was hurricane season. A. planned B. has planned C. had planned D. had been planning 10. Last night I had dinner with the Browns, who__________ for Sonny for a couple of years in the 90s, and then over here to set up his own business. A. was working / was coming B. was working / came C. worked / came D. worked / was coming