问题
选择题
——Tommy is plannning to buy a car.
——I know. By next month, he ___enough for a used one.
A．saves
B．saved
C．will save
D．will have saved
答案
答案：D
考查动词时态。根据时间状语by next month可确定，此处应用将来完成时，表示“到下个月为止，他将攒够买一辆二手车的钱”。
