Did you write your report yesterday?
解析：不含be动词与情态动词的句子改为一般疑问句首先提前助动词,一般过去时提前did,并把原先动词还原,人称遵循“一改二,二改一,三不变”的原则.温馨提示：句号改为问号.不会可以继续追问.chana has the largest population in the wold(改为一般疑问句）Does China have the largest population in the wold？温馨提示：应该是China不是 chana。Does China have the largest population in the wold？温馨提示：应该是China不是 chana。