The workers spent about three years the high-speed railway.
Swimming is ______cycling. So I like cycling better. I want to have fun and I want to be safe as well.
--- __________is it from your school to the park?--- 30 minutes’ walk, I think.
---________?---He’s friendly and helpful.
Excuse me. I _________ I was blocking(挡) your way.
Few of them wanted to take a bus there, ___________?