It is _______ to arrive here so early;they never came here on time.
A. astonishing B. astonished
C. astonish D. to astonish
It is _______ to arrive here so early;they never came here on time.
A. astonishing B. astonished
C. astonish D. to astonish
解析:选A。考查astonish的用法。句意为:他们来这么早真是令人惊讶,他们以前从不按时到这儿。“令人惊讶的”为astonishing,而astonished意为“感到惊讶的”。