is his dictionary on zhe bed 怎么改为复数形式?

his dictionary is on the bookcase.改为疑问句 his dictionary is on the dask 改成一般疑问句 is his dictionary on zhe bed 怎么改为复数形式? This is his dictionary同义 This is his dictionary(一般疑问句) Is it his dictionary?变成复数形式. This is his dictionary(改为一般疑问句) that is his dictionary 改为同义句 Is that his dictionary怎么改陈述句? Lucy's dictionary is on the sofa对Lucy's dictionary is on the sofa.提问 there is a dictionary on the on the chair 对a dictionary 提问 Is this his English-Chinese dictionary.改为肯定式陈述句 This is his dictionary.单复数转换是That That is his a dictionary错在哪 me dictionary that his excuse is 连词成句 改写句子 ：My family photo is (on the wall)His English dictionary is (here)The glrls are （on the sofa）Lily‘s jacket is （under the quilt）My mother is （in her room） ---Do you know whose dictionary it is?----It()Li Lei's.His name is on it.---Do you know whose dictionary it is?---It()Li Lei's.His name is on it.A.can beB.must be C.may be D.might be Do you know whose dictionary it is?---It()Li Lei's.His name is on it.Do you know whose dictionary it is?--------It________Li Lei's.His name is on it.A.can't B.must't C.shouldn't D.needn't