Question

--- Tom, where is your father?　 --- I’m not sure. He_______ in his office. A．is B．may be

--- Tom, where is your father?　 --- I’m not sure. He_______ in his office. A．is B．may be C．maybe D．may

Answer 1

B

试题分析：is系动词，是；may be可能是；maybe副词，也许，可能；may情态动词，可以，可能。句意：汤姆，你的父亲在哪儿？——我不确定。他可能在办公室。结合语境可知下文中缺少谓语动词，故选Ｂ。