Someone who was old enough to know better told me that he would never watch a black & white movie. Here's one of the funniest, His Girl Friday, a movie remade by Hollywood about 4 times.
This version by Howard Hawks may be the best, with very snappy dialogue delivered by Carey Grant and Rosalind Russell. It's no longer in copyright, so you can grab a DVD version from the Internet Archive. The best copy is on YouTube with embedding disabled, but you can sample this: