18.Although they plant trees in this area every year,the tops of some hills are still （ )18.Although they plant trees in this area every year,the tops of some hills are still （ ) A.blankB.hollowC.vacantD.bare

---- the PLA,they were saved and sent to the saety in floods. although 18.Although they plant trees in this area every year,the tops of some hills are still （ )18.Although they plant trees in this area every year,the tops of some hills are still （ ) A.blankB.hollowC.vacantD.bare PLA是什么意思? PLA是什么意思? 什么是PLA? Although Tim and Mile come from_____different backgrounds,they became close Although they aren't twins,theyare s( ) in some ways. 翻译：Although the team lost , they played with tremendous spirits although they lost,the team played with great______(精神） Although it was late ,but they went on working.改错 ____They/they look different and they like different thing,___they are good friends.A:although;but B:but;/ C:/;although D:although;and Although they are good friends,they are not the same(改为同义句)Although they are good friends,they____ ____ ____each other although they are young,they still have to make many important choices by s_____ 翻译although they meet with difficulties ,i hear that they've succeeded after all. Although they are young, they still have to make many important choices by t____ ( )they are not very delicious,but they are good for healthA:maybe B:although C:because Although they were 75 years old, they still played tennis every day.怎么翻译