You’d better practice more and play better if you want to make a good ______ on the audience at the concerts.

Though bought several years ago, the car is still in good          .     

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

According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.

—Mr．Anderson is popular with his students, for he is kind, strict and knowledgeable． —No wonder he has such a good ___  ．