问题
选择题
(2012·辽宁高考)Jack is a great talker. It's high time that he ________ something instead of just talking.
A．will do
B．has done
C．do
D．did
答案
答案：D
选D 考查动词时态。在句型 “It's high time that ...”中， 从句中的谓语动词用一般过去时或should do，所以选D项。