Dr. Yang worked ______ three days ago.
C
暂无解析
____thecenterofourplanetarysystemwasconsideredasheresybythechurchintheMiddleAges.
Iam____gratefulforthemanykindnessesyouhaveshownmyson.
Theforeigners_________there,butthey_________thefoodthereatfirst.
Withonelegbrokeninthatcaraccident,hecannotevenwalk,____run.