The boy is 45 kg.The girl is 40 kg.Which one is wrong(错误的)?The boy is bigger than the girl. B.The girl is stronger than the boy.C.The boy is heavier than the girl.
( )When the house is on fire, the firemen let people _________ the fire.
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( ) He makes his class _________, so he always makes the students ____________.
( )A: ______________ B: Never mind. What can I do for you?
( ) ____________! It’s getting dark.
( ) A: __________ do you have a bath in winter? B: Once three days.