Because of too many differences between the two sides, a lot of questions are still left ________.A in the air B on the air C by the air D through the air
一Would you mind me keeping the book for another two weeks? —__________.I have finished it anyway.
Mr. Smith owns——collection of coins than anyone else I have ever met.
. _______ myself to my study, I would be sitting in a comfortable office now.
Sunset at Mount Huangshan is a beautiful scene, _______ I’ll never forget.
Mike is handsome, kind and full of energy. , I can’t speak too highly of him.