____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
My plane at 8:30 am, so I _______ home at 8:00 tomorrow morning.
Twilight City (暮光之城)is the best movie _____ I _____ in the past eight years.
Ever since he caught the N1H1, Peter _____ so much pain that he is coughing day and night.
The Jews _____ a series of disasters in World War II, because the German Nazis wanted to kill all of them.
The NBA is _____ organization of professional(职业的) basketball players in the USA. A. a B. an C. the D. /