【题目】—What courses are you going to learn next term?
—I don't know.But it's about time ________ on something.
A.I'd decideB.I decided
C.I decideD.I'm deciding
在线课程【答案】B
【解析】
考查虚拟语气。句意：——下学期你打算学习什么课程？——不知道。不过，是时候我该做决定了。在“It's(high/about) time＋that从句”结构中，从句的谓语动词通常用一般过去时或者should+动词原形。故选B。