下面兩句英文，邊句先岩 ?

下面兩句英文，邊句先岩 ?1. I am smarter than you.= correct English (both written and spoken)

2. I am smarter than you are. = correct in spoken English

The problem looks worse than it is. 這個問題看起來比它實際上更糟糕。
The city looks smaller than it actually is. 這座城市看上去比實際上更小。
She looks younger than she is. 她看起來比實際歲數顯得要年輕。
She looks younger than she was . 她看上去比她以前年輕。
She is richer than he was. 她現在比他以之前 更富有。
She is richer than he. 她比他更富有。

兩句都岩，不過第一句多D人用。
第二句好少人用。