_______inthought,healmostranintothecarinfrontofhim.
A、LosingC
这里分词短语的意义应为“ As he was lost in thought”，意为“由于陷入沉思”，这儿填入过去分词短语，表示一种状态，用作原因状语。
Touristexpenditureshavedifferenteffectsonadestinationeconomy:salesbyfoodvendorstorestaurantsare_______effect;whiletaxifaresandairlineticketsalesare_______effect.
Pleasewriteareport________theabovesubjectsaretobecovered.
InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
______innsandtaverns,inparticular,gainedareputationforcleanlinessandcomfortandsetthestandardforaccommodationinotherpartsofEurope.
By the middle of the 21st century, the vast majority of the world ’s population will be living in cities _______ in the country.
