问题描述：
选B错么?
The program ____ into the computer must be prepared in a specially designed machine
language.
A to put
B was put
C to be put
D putting
应该是被动,选bc中一个.即使选b,是不是这句,The program was put into the computer
也不能做主语从句,没有关联词好像.所以选C 做program定语?
The program ____ into the computer must be prepared in a specially designed machine
language.
A to put
B was put
C to be put
D putting
应该是被动,选bc中一个.即使选b,是不是这句,The program was put into the computer
也不能做主语从句,没有关联词好像.所以选C 做program定语?
问题解答：
我来补答展开全文阅读