- I hear that Jason is planning to buy a car.
-I know. By next month, he _ enough for a used one.
A. will have saved
B. will be saving
C. has saved
D. saves
网友回答
(答案→)A. will have saved
B. will be saving
C. has saved
D. saves
解析：此处解题关键是：by next month是将来的时间状语，所以用将来完成时。句意：---我听说Jason计划买一辆车。---我知道。到下个月，他就攒够了足够的钱买一辆二手车。
【考点定位】考查动词时态。