Modern science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.
____ time going on, our school becomes greener and more beautiful.
He has gained ______ rich work experience there and is showing _______ great progress.
. She learnt both business and history, but she knows________of them well, though she can speak on subjects in general.
I am not particular about laptops, but________, I prefer IBM to Sony.
Mr. Park, I know I am late, but please allow me to explain it to you, ________?