Whenfirst的精选

问题详情：Whenfirst                        intoEuropeinthe16thcenturyfromSouthAmerica,tomatoesweremistakenforredapples.A.tointroduce                       ...

问题详情：Whenfirst     tothemarket,theseproductsenjoyedgreatsuccessoducing     oduced              oduce       gintroduced【回答】B知识点：非谓语动词题型：选择题...