In the example, "He couldn't open the door. It was locked tight", the relation between "the door" and "It" is that of substitution.
A.正确 B.错误正确答案B
In the example, "He couldn't open the door. It was locked tight", the relation between "the door" and "It" is that of substitution.
A.正确 B.错误正确答案B