20. Choose the answer which correctly completes the sentence. "Did you go to Yellowstone for a vacation?" "I... to go, but my wife got sick three days before the departure." A) have been planning
C) have planned
B) had been planning
D) was planned
21. Choose the answer which correctly completes the sentence. Gold... near San Francisco in 1848, and the gold rush started the following year.
A) was discovered
C) has been discovered
B) was discover
D) they discovered
20. "Did you go to Yellowstone for a vacation?" "I had been planning to go, but my wife got sick three days before the departure." (B)
21. Gold was discovered near San Francisco in 1848, and the gold rush started the following year. (A)
20. B) had been planning
21. A) was discovered