685.In April,thousands of holidaymekers remained ______ abroad due to the volcanic ash cloud.
A.sticking
B.stuck
C.to be stuck
D.to have stuck
686.Alexander tried to get his work ______ in the medical circles.
A.to recognize
B.recognizing
C.recognize
D.recognized
685.答案是B;此题中remain stuck=be stuck，被困，被陷。
686.答案是D:考查get sth.done的结构。
