____treesmustbeplantedeveryyear. A.Thousandsof B.Thous...
问题详情：____treesmustbeplantedeveryyear. A.Thousandsof B.Thousandof C.Onethousandof D.Thousands【回答】A知识点：数词题型：选择题...
yearsago,thereweremanyplantshere. A.thousandsof...
问题详情： yearsago,thereweremanyplantshere. A.thousandsof B.twothousandsof C.thousandof D.thousand【回答】...