问题
选择题
Calculations, which are astronomically exact, have been made with the use of computers.
A．possible
B．it possible
C．possibly
D．to be possible
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Calculations, which are astronomically exact, have been made with the use of computers.
A．possible
B．it possible
C．possibly
D．to be possible
答案：A