补全对话 ,选择最佳选项完成对话, 有两项多余A. Yes I’d love to.B. What will you do tomorrow?C. Yes I like it .D. What should I do ?E. What’s the matter with you? F. How much i
He _______ busy yesterday, or he ___ you with your experiment. A was, had helped B was , would have helped C. had been, would had helped D had been, wo