【多选题】下列各项中,既影响营业利润也影响利润总额的有( )
【简答题】Please don't smoke. The ( 标志 ) says "No smoking".
【单选题】I have not found my book yet; in fact, I am sure _____ I could have done with it.
【单选题】Dave: Please don't smoke in the café. Customer: Oh, I __________ smoke here? Sorry, I didn't know that.
【单选题】--Please don't smoke here. --______.
【单选题】Please don't smoke, spit or litter in public places.
【多选题】下列各项中,既影响营业利润也影响利润总额的有( )。
【单选题】下列各项中,既不影响利润总额,也不影响营业利润的是
【简答题】I have not found my book yet. In fact, I'm not sure ____________ I could have done with it. A.if B.whether C.how D.what