Frank, with his two sisters, London by train which at 8:30 next morning.
A. is leaving for; will leave
B. are leaving for; leaves
C. is leaving for; leaves
D. will leave for; will leave
网友回答
A. is leaving for; will leave
B. are leaving for; leaves
(答案→)C. is leaving for; leaves
D. will leave for; will leave
解析：考查主谓一致。With 连接连个主语时，取决于前者，故用is leaving for用进行时态表将来，第二空表示列车时刻表时，用一般现在时态表将来，故选C。