_____your mother free now?(Does,Are,Is)说出方法并解答

_____your pen in a pencil case?A .Is B.are C.Do D.Does _____your computer on the table?A,Is.B,Are.C,Do.D,Does I thinl it is ______interesting book.(a,an,the)说出方法并解答. Are you free now? are you free now are you free now回答yes it is 《Now we are free》 mp3 Are you free now?为什么是Are ( ) our english teacher free next Friday?A.Does B.is C.Are D Where does your mother working now Are you free now?的下一句 连词成句.now, are, you, free?