—_____ that he picked up his uncle at the airport?
—It was at 6:00 in the afternoon _____ he got off work.
| A．Was it when; that | B．When was it; that | C．Was it when; when | D．When was it; when |
Mr. Smith would have come to see you if it had been possible, but he __________ so busy.
| A．was | B．had been | C．has been | D．were |
--- Could you tell me what he said just now?
--- Sorry, I ______ what was going on outside.
| A．had thought | B．was thinking | C．thought | D．think |
The unemployment rate in this district from 6% to 5% in the past two years.
| A．has fallen | B．had fallen | C．is falling | D．was falling |
Cathy is taking notes of the grammatical rules in class at Sunshine School，where she English now.
| A．studies | B．studied | C．is studying | D．was studying |
---What’s your favorite music, by the way?
--- I really ______ progressive jazz.
| A．go to | B．take for | C．addict to | D．go for |