there is a pen 对a 提问

there is a pen 对a 提问 there is a pen in the pencilbox对a pen 划线提问对句中的a pen 划线提问啊 there is a pen.对划线部分a pen提问一哈就忘记怎么说了 There is a pen on the desk.(对a pen 提问.)____________on the desk? there is a pen in the pencil box 对a提问 there is a pen and tow books on the desk.对 a pen and tow books 提问,该咋样提呢?用is 还是are? There is a book .对a提问 This is ( a pen) in English ? 对划线部分提问 This is a pen.对划线部分提问 ___ ___? This is a pen.(对画线部分提问）. This is a pen in English.对 a pen 划线提问 It is a pen .(对划线部分提问`划线部分是:a pen) this is a pen对a pen提问— —this? This is a white pen对其中a white pen提问 it is a pen?对“a pen提问_____ _____ that? this is a pen对a pen the quilt is white对white cindy is fine对fine 提问 对划线部分提问 The letter is from a pen friend 对a pen friend提问快 He has some eggs for breakfast 对 some eggs提问 It is a blue pen 对a blue pen 提问