当我看到他穿的衣服时，我简直不敢相信自己的眼睛。

I ___couldn't ___believe ___my ___eyes when I saw what he was wearing.

这座教堂外面看起来很朴素，但当我走进去时，我简直不敢相信自己的眼睛。

The church looked plain outside, but when I entered, I ___couldn't ___believe ___my ___eyes.

当北极光出现时，我简直不敢相信自己的眼睛。

When the northern lights appeared, I ___couldn't ___believe ___my ___eyes.