In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
A. sticking
B. stuck
C. to be stuck
D. to have stuck
网友回答
A. sticking
(答案→)B. stuck
C. to be stuck
D. to have stuck
解析：考查系动词用法。本句中的remain仍然；是系动词。Stuck是过去分词转换成的形容词。Remain stuck是一个系表结构。句意：在四月份，成千上万的度假的人由于火山灰仍然滞留在国外。