--- Who told you my address ? --- I don’t remember clearly. It _____ Li Mei. ---It _____ Li Mei. She doesn’t know it.
It is not enough only________ the rules of grammar if you want to learn English well.
He________ the person referred to be put in prison.
______you I owe a thousand apologies________ having doubted your ability.
______at in this way, the present situation about birds flue doesn’t seem so disappointing.
______, I think, and all the problems could be settled.