—Has Mr.Tom White arrived ?
---- Yes ,already . he wait outside or just e in ?
A. Shall
B. May
C. Could
D. Must
网友回答
(答案→)A. Shall
B. May
C. Could
D. Must
解析:考查情态动词:句意:--汤姆怀特先生来了吗?--是,已经来了,他是等在外面还是进来?,shall可以用于第三人称表示“请求指示”,may可以,可能,could能够,must必须,选A。