上星期天我本想去参观长城的，但我母亲病倒了，我不得不照料她。

I wished to have visited the Great Wall last Sunday but my mother fell ill; I had to look after her.

youdao

上星期天我本想去参观长城的，但我母亲病倒了，我不得不照料她。

I wished to have visited the Great Wall last Sunday but my mother fell ill; I had to look after her.

youdao