The fact is that I earned my passage by working as an unpaid hand, which _______ my appearance. 

(2013·山西省太原市统一检测)—David, the windows of the room are very dirty. ________ I clean them before we move in?—Of course.

It is reported that many battles broke out in the Middle East. What’s your ______ of the situation there? 

To enjoy a better future, you should ____________ difficulties when you are faced with them.

 Through educating himself and strengthening his own will power, every individual should be able to ________ the temptation of cigarettes.