29. I wish I_________ longer this morning,but I had to get up and come to class. A.could have slept B.slept C.might have slept D.have slept 答案:A 解析: 由题意“我真希望我今天早晨能睡得再长一些”可知,应用与过去事实相反的虚拟语气,即“could+have+过去分词”。 答案:AJim was born on a farm, _____, he knows little about farming.A.thusB.andC.yetD.otherwise