______ for some time after a tiring day is very enjoyable and exciting for me in summer.A Swim B. Swimming C. Go swimming D. To swim
Mr. Smith would have come to see you if it had been possible, but he __________ so busy.
--- Could you tell me what he said just now? --- Sorry, I ______ what was going on outside.
The unemployment rate in this district from 6% to 5% in the past two years.
Cathy is taking notes of the grammatical rules in class at Sunshine School,where she English now.
---What’s your favorite music, by the way? --- I really ______ progressive jazz.