Even the best writers sometimes find themselves ___ for words.
________ I'm mistaken, I've seen that tall man at a party before.
Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai.
________ he stops driving himself like this, he'll have a breakdown.
________ my teacher didn't tell me directly, I still felt that I didn't live up to her expectation.
I was wondering what to do with my car which won't start ________ a kind man offered to help.