Question

【题目】Look! An old lady ________ (carries / is carrying) a big bag on her back.

Answer 1

【答案】is carrying

【解析】

句意：看！一位老太太背着一个大包。look是现在进行时的标志词，句子动词部分的结构为be doing，An old lady是第三人称单数，be动词用is，carry的-ing形式为carrying，故答案为is carrying。