Our country’s declaration of independence was . . . August 17, 1945.

There should be a lot of progress in technological field ____________ the next century.

I have been living in London _____ 2005. This summer, my cousin will be visiting ___ 2 weeks. The suitable preposition to complete the sentences above are...

Jane went home _________________ lunchtime.

My mother said I have to be home ____________ 7 P.M.

I’ve been waiting you _______________ three hours.