问题
选择题
My teacher _____ me the key to the classroom but I’m afraid I _____ it.
A．had given, lost
B．has given, lost
C．gave, have lost
D．has given, have lost
答案
答案：C
考查时态.句意:老师给了我教室的钥匙,但是恐怕我已经丢了它.上文强调动作,下文强调状态,强调对现在的影响,用完成时态,故选C.