It___him half an hour.___the exercises yesterdayA.takes,to do B.takes,doing C.took,to do D.took,doing
问题描述：
It___him half an hour.___the exercises yesterday
A.takes,to do B.takes,doing C.took,to do D.took,doing
答
C
it takes sb. some time to do sth.
因为是yesterday，所以用过去式took
答
A
答
选C,take sb.sth.to do
yestday用过去时