What's this in English?用下面哪个句子回答较好?

What's this in English?回答? what's this in English?怎么回答?可以用this 还是只能用It is What's this in English? What`s this in english? What's this in English?(这个用英语怎么说?)请问里面哪个单词是“用”? What's this in English?This 一、Is this your pen?【做肯定回答】 二、What's this in English?【用map作答】 What' this in English (用bag回答) It_________a_________. What is this in English?(用map回答） What's this in English?What's this letter? What's this in English? What's that in Engl What's this in English?这个用中文怎么说