She is good _____ playing the piano and good ______ her students, which is good _______ the students.[ ]

______ surprised the hostess most is _______ one of her friends left the party without saying a word.

Guang Zhou’s traffic facilities have beengreatly improved _____ an advanced new light railway for the Asian Games

ong do you think it is ________ hearrived here —Nomore than half a year, I believe.

Icouldseeacarinthedistance,butcouldn’t_______whatcoloritwas.