在“至于一语一默,一出一处”中,“一”之义为()
A.数词
B.专一
C.或者
D.一旦
参考答案:C
简述行政规范。
You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble.
A.had to climb
B.had climbed
C.had climbing
D.had on climbing