Choose the best answer

11. We ________English this time last week.

a. learned b. were learning c. have learned d. had learned

12. Is it raining? - No, it isn't but the ground is wet. It________

a. rained b. had rained c. has rained d. has been raining

13. Her family________ to America before 1975.

a. went b. have gone c. had gone d. would go

14. When I arrived at the party, Martha________ home already.

a. went b. have gone c. had gone d. would go

15. Henry________ for 10 years when he finally gave it up.

a. has smoked b. has been smoking c. had smoked d. had been smoking'