问题
选择题
—Will you go to the park now?
—Not until I ________ my physics exercises.
A．will finish
B．have finished
C．will have finished
D．had finished
答案
答案：B
因为在时间状语从句中要用一般现在时代替一般将来时。若强调从句动作发生在主句动作之前时，用现在完成时代替将来完成时，本题属后一种情况。
