______harder, he would have got through the exams.A．Had he workedB．He had workedC．Should h

If I had remembered ______ the window, the thief would not have got in.A．to closeB．closing

Mr. Green______ my letter, otherwise he would have replied before now.A．must have received

If we ______ sooner, we might have got there.A．startedB．had startedC．would have startedD．s

He must have had an accident, or he _____ thenA:would have been hereB:would be hereC:s

He now regrets______harder when he was at school.A．not to studyB．not studyingC．having not

Had you worked harder at college ， you _____ a better job .A.could getB.could have got