1.Is that his pen?(改为复数) 2.She is my good friend.(改为一般疑问句)3.That is Cheng Long.(改为一般疑问句) 4.lt is Dave.(改为一般疑问句)

问题描述:

1.Is that his pen?(改为复数) 2.She is my good friend.(改为一般疑问句)
3.That is Cheng Long.(改为一般疑问句) 4.lt is Dave.(改为一般疑问句)

are those his pens
is she your good friend
is that Cheng Long
Is it Dave