I’ll keep his address _____ I need it

(2014·辽宁五校第一联合体考试)What impresses me most is________he appears in front of others，he wears a sincere and charming smile

It is 9 a.m. When you meet your friend at school, you say “_____” to him or her.

f the Fortune Global 500 companies offeredher a position, but she refused—_________ It is a very good chance

_____　in the front row at theceremony, our distinguished guests are from home and abroad.