my pen is under the chair,please()it().

my pen is under the chair,please()it(). The pen is under the chair 改为一般问句. 这怎么写啊?Your book is under the chair.Please ( ).A.pick it B.pi what is that under the chair?oh,it is my borther is ______ b this isn't ____ball,It's is under the chair.A.mine;he;My B.m my pencilbox is under the chair.划线部分为under the chair My baseball is under the chair对 My baseball提问 对划线部分提问 The pen is (red).His baseball is under the chair. My baseball is under the chair对划线部分提问 对画线部分提问My baseball is under the chair. It is under the chair.改为一般疑问句 It under the chair is连词成句