(2013·新课标Ⅱ卷)--I'm sorry I made a mistake! -- Nobody is perfect.
________, he also had a son in college who had taken a bank loan to pay for his studies.
The letter was so badly written that I couldn’t _________ it.
Mount Wuyi is such an attractive place of interest ________ everyone likes to visit.
The boy burst into tears ________ he saw his mother.
________, I could not memorize the text.