【题目】It's time for lunch. They ________ (have) lunch in the dining hall.
【答案】are having
【解析】
句意:该吃午饭了。他们在餐厅吃午饭。句子是现在进行时,主语+be+doing,故答案我are having。

【题目】It's time for lunch. They ________ (have) lunch in the dining hall.
【答案】are having
【解析】
句意:该吃午饭了。他们在餐厅吃午饭。句子是现在进行时,主语+be+doing,故答案我are having。