Question

--I can’t understand why our boss is late. --He _____the early bus. A．could miss B．may have

--I can’t understand why our boss is late. --He _____the early bus. A．could miss B．may have missed C．can have missed D．might miss

Answer 1

B

考查虚拟语气。句意：我不能理解我什么我们的老板迟到了。——他可能错过了早班车。“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，故选B。