1 . He said he________(宁可) to keep his old truck rather than acquire something slightly newer. (根据所给汉语提示填写单词)

2 . ________ (德国人) wishing to emigrate (移居国外) in the 1800’s were required by law to obtain permission: their names would then be recorded in regional emigration lists. (根据所给汉语提示填写单词)

3 . It's been hard work but the volunteer experience has been incredibly r________ (有回报的). (根据中英文提示填写单词)