雪后的山峰看起来比平时更白了。

The mountains appeared ___whiter after the snowfall.

我的英语老师姓惠蒂尔。

My English teacher's last name is ___Whittier.

我们计划下周去惠蒂尔参观那里的博物馆。

We plan to visit the museum in ___Whittier next week.