1. slip someone’s mind
Today we are going to learn “slip someone’s mind”. It means to forget something.
A: Did you get Cathy’s birthday present?
B: Oh, no. It totally slipped my mind.
2. tons of…
Another phrase is “tons of…”. It means a large amount of, a lot of.
(1). He made tons of money during the dot com craze.
(2). The Russians have oil and gas —tons of it —and we need it.