改错:I will never forget the days which we had a good time together at the sea.

问题描述:

改错:I will never forget the days which we had a good time together at the sea.

will 改成 was ,一般过去时,had和will 有矛盾

which改成when
后面的从句修饰days,而days在从句中作时间状语,所以用when不用which