关系词

1.She told me that school hours are the time when I can see my friends.这里when可以改成in which吗？2.In the past,I just watched TV the days when I visited them.这里when可以改成in which，on which吗？还有一个词汇题就是”在错误上打叉的‘叉’”用英文怎么说crossing还是cross？

To be or not to be，that is a question.

1.She told me that school hours are the time when =(at which) I can see my friends.

2.In the past,I just watched TV the days when=(on which) I visited them.

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1.at
2.on
3.crossing

time in/at which ... visit :

In seasons of great drought, the time at which we visited the ravine, the whole body of the thermal waters forms...
Saturday night is naturally the best time in which to visit the East End, for the reason that the men and the women have been...

joham

Thank you all.

To be or not to be，that is a question.