It wasn't until I ______ took part in the activity that I understood the meaning of it.
A.actively B.personally
C.rarely D.normally
My skating teacher was really great and ______ I knew it, I was able to skate!
A.before B.since
C.until D.after
Robert went to Shanghai in his 20s, ______ several years later, he became a manager.
A.when B.where
C.which D.who
I've made some really good friends at the gym. Talking to people as you ______ is a good way to get to know them.
A.get down B.stand by
C.hang out D.work out
—You couldn't have chosen any present better for me.
——_______.
A.Oh, don't complain about a gift B.I'll give you a better one next time
C.I'm glad you like it so much D.Oh, nothing much
--- Hi, it's time we worked out a plan for the research project.
---Sorry, I'm not available right now. I _____ for the upcoming final exam.
A.am preparing B.prepared C.have prepared D.will be preparing