问题
选择题
__________________all of them are strong candidates, only one will be chosen for the post.
A．Since
B．While
C．If
D．As
答案
答案：B
考查连词。Since 由于，既然；While尽管；If 如果；As尽管。句子前后是转折关系所以排除A,C;as当尽管讲时，引导让步状从要用倒装结构，而__________________all of them are strong candidates,是正常语序，所以选B。