When did it begin to snow? — It started _____ the night.[ ]

Yao Yuan, a disabled woman, won the National Championships Cup last week.—My goodness! She _______a lot of difficulties!

When he walks______my desk，he knocked my books and pens _____the floor．

－Have you written anything on Chinese traditional food so far －_ __, but I have a plan for it.

is it from the train station to your school—About ten minutes’ walk.