(2013·河南省普通高中适应性检测卷一)People spend many years learning about favorite sports and ________ how to do them well.
A.practice B .practiced
C.practicing D.to practice
(2010·福建高考)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
(2011·上海高考)Today we have chat rooms, text messaging, emailing ... but we seem ________ the art of communicating facetoface.
A.losing B.to be losing
C.to be lost D.having lost
(2013·重庆高考)The engine just won't start.Something seems ________ wrong with it.
A.to go B.to have gone
C.going D.having gone
(2011·上海高考)It's no use ________ without taking any action.
A.complain B.complaining
C.being complained D.to be complained
(2012·浙江高考)No matter how bright a talker you are, there are times when it's better ________ silent.
A.remain B.be remaining
C.having remained D.to remain