The notes for glossary (词汇) are very exact and particular, which could help readers to break the language so directly and effectively.
Though Jane speaks Russian well, she thinks it necessary to learn ___ foreign language.
___ speak Germany and ___ speak English.
My father began to learn English when he was in ___.
Could you ___ my meat ___for me please Daddy?
--Are you sure ____ you have seen this man?---Yes, I’m quite sure ___that.