"which last" can be used in written English, typically as part of a relative clause.
For example, "We discussed the project, which last week was seen as too ambitious."
Mauna Kea (Hawaiian: "White Mountain"), which last erupted about 4,500 years ago, is often snowcapped.
One that has returned is the Gagosian Gallery, which last showed here in 2006.
But they were not preparing specifically for cholera, which last appeared in Haiti 50 years ago.
He even won in Orange County, which includes Orlando and which last went Democratic in 1944.
Take the example of Somalia, which last experienced a famine in 2011.
The company's earliest contract, which last for ten years, expires in 2018.
Ike!' which last year, I didn't hear.
Success for the stern central bank, which last year raised interest rates four times?
Microsoft, which last week won a major software contract from New York City, declined to comment.
This includes direct marketing, which last year accounted for 23% of sales.
This one looks at Tiffany & Company, which last year celebrated its 175th anniversary.
