I've looked for my pen everywhere,but I find it.A．couldn't B．can'_其他解答

I've looked for my pen everywhere,but I find it.A．couldn't B．can't C．mustn't D．didn't

人气：242 ℃　时间：2019-10-17 03:55:52

解答

B．can'tA为啥错现在完成时作为前提，相当于现在还在持续，因此不能用过去时来结尾。