Never judge a man by his _____ alone — you might be fooled by what he looks like. 

His latest research is at the   of genetic science. 

You have to be accurate in this job，because a small mistake can make a big ________.

Of the seven days in a week. Saturday is said to be the most popular _______ for a wedding in some countries.

What British singer-songwriter Adele worried was ___________ the audience would accept her remained to be seen.