问题补充:
Jack is a great talker.Its high time that he something instead of just talking.(·辽宁)
A. will do
B. has done
C. do
D. did
答案:
A. will do
B. has done
C. do
(答案→)D. did
解析:句意:Jack总爱夸夸其谈,他该做点事了,而不是仅仅空谈。这里是“Its (high/about) time that...”句型,从句谓语应用过去式或“should+动词原形”。