“ What courses are you going to do next semester?”
问题描述：
“ What courses are you going to do next semester?”
“ I don’t know.But its about time _______ on something.”
A.I’d decide B.I decided
C.I decide D.I’m deciding
答
B
it's about time sb.did sth.是某人该做出决定是时候了.
C答案中it's about time sb should do sth,这个should不能省略,只有在suggest等动词后面的should可以省略