It is the education _____ he received when studying abroad _____ has made him such an excellent manager.
Of all the studetts, he prepares his lessons ___.
---How old is your sister? --She is __ than I.
I don’t think English is __ a language as Russian.
---Could you give me some ink? ---Sorry, I haven’t ___ left myself.
I walked 20 miles that day.I never thought I was able to walk ___ far.