—Why don’t you take some exercise? Sitting before the computer is bad for your health. ---________, but I have to finish my work on time.
33.A cool rain was falling_________with snow causing heavy traffic. A.mixed B mixing C.to mix D.having mixed
32.Hesitating what to do,________.
31.The man stopped his bicycle beside the car______it had a broken chain.
30.Mike has an active mind;he can retell a story_________anybody else in the classroom.
29.The attackers were arrested and didn’t know where they ______.