are you listening to music? i am not listening to music.Is mike a student? mke is not a student.are they in the zoo? they are not n the zoo.are there any flowers n the vase? there has no flower in...
第一:Are you listening to music? I am not listening to music. 第二:Is Mike a student? Mike isn't a student. 第三:Are they in the zoo? They aren't in the zoo. 第四:Are there any flowers in...