问题

limbing is a breathtaking activity, very popularnationwide among young people, ______ cooperation as well as courage plays animportant role.

A:who
B:which
C:where
D:ofwhich

正确答案是：

同类题型

．—I’ll return the book to Mary，but I can’t find her anywhere．—She ________ the teacher’s office．You can find her there

__________and the problem could be settled

The liftyesterdayWe’ll have to walk up to the eighth floor this evening

Riddle guessing on New Year’s Eve has become my family ________ for many years.

The police are _____ to conclude that the cause of fire was a cigarette end.