all kinds of difficulties,the workers have made rapid progress in the construction of the World Expo 2010 Shanghai.
Wow! Look at the man and his horse ________are running down the road. A.which B.that C.who D where
A cool rain was falling_________with snow causing heavy traffic. A.mixed B mixing C.to mix D.having mixed
Hesitating what to do,________.
The man stopped his bicycle beside the car______it had a broken chain.
Mike has an active mind;he can retell a story_________anybody else in the classroom.