Look! They are (work) in the field...

2023-02-13

【题目】Look! They are     (work) in the field.

【答案】working
【解析】句意:看!他们正在田地工作。根据look(现在进行时标志词)和are得知,该句子是现在进行时,其结构是:be+doing,所以答案是working。