－ _______,is this a pen?－Yes,it is.A.hello.

－ _______,is this a pen?－Yes,it is.A.hello. 英语单项选择( )11.---Tom,is this your pen?---Yes,it's _______ A.yo C:Hello!A:Hello!Is that Mr Wu? C:Yes.Who is it,please?A:This is this( )Japanese pen?yes,it is A：Hello ［ ］ B：Yes ,this is 完成对话A.Excuse me.Is this photo ______B.Yes,it is _______ old I find this pen _______ smoothly,though it is a little expen A:This is your letter.B:Oh It's _______ my pen pal,Mike. What is this 是This is a pen.还是.It is a pen?为什么? what is this It is a pen.还是This is a pen好 it is a pen? what is this in English?It is a pen而不是It is a pen(英语)