第15题: [单项选择]I always ______ the length of time I'll take to do something; therefore, no plan is accomplished yet. A. esteem B. underestimate C. underlie D. estimate 参考答案:B 答案解析:[解析] B项的underestimate“低估”符合题意。其他三项都与题意不符:esteem尊重;underlie置于……下;estimate估计。
第17题: [单项选择]Why will the man be away A. He will attend a conference. B. He will talk with clients. C. He will give a presentation. D. He will meet job applicants. 参考答案:C