【2012 贵州遵义】—How was your climbing Mount. Huang?—I didn’t believe I could do it _______ I got to the top.A. until while C. after
______he was tired,______he didn’t stop______.
I______he______come tomorrow.
He’d better ______a doctor if he ______well.
“_______hours do you sleep every day ?” “Nine.”
Liu Ying is ______than Wang Mei.