题目内容
They _____ this estimate ______ the figures for the last three years.
A. are based; with B. based; according to
C. are based; on D. based; upon
D
练习册系列答案
活力课时同步练习册系列答案
相关题目
What can you suppose they___________ this time next year?
| A．are doing | B．will do |
| C．will have been done | D．will be doing |