—Are you cleaning the room, children?
—__________
A．Yes，I am. B．Yes，they are. C．Yes, we are.
( )在读“I would like some hot dogs. ”时？我们要注意做到________。
A.连读 B.失去爆破 C. both A and B
( ) We meet an English woman. We may NOT say “ ________” to her.
A. How old are you?
B. It’s cold today, isn’t it?
C. How beautiful you look today!
( ) My mother can __________ delicious food.
A. cook B. cooks C. cooked
( ) Helen does not __________well in Chinese.
A.do B. does C. doing
( )Do you have ___________ brothers __________ sisters?
A. any； and B. any； or C. some； and