At that time I much about the University but when I arrived there, I NOT KNOW liked it at once.

Применим Протокол Е.

At that time I didn't know much about the University but when I arrived there, I liked it at once.

В то время я многого не знал об Университете, но когда я приехал туда, он сразу мне понравился.

Ответ: didn't know