.If you have really been studying English for so long, it’s about time you _____ able to write letters in English.
A、shouldbeB
暂无解析
_____ if I had arrived yesterday without letting you know beforehand.
Josephwasverylucky（）withhislife;healmostdidnotgetoutoftheroom.
You____thatlettertoJames.However，youdidn't.
青年女性李××，平素体健，三日前突受惊吓，先心悸易惊，作卧不宁，少寐多梦，舌苔薄白，脉弦治疗宜选
This missile is designed so that once _____ nothing can be done to retrieve it.
