1.again                                           

A. cabbage   B. narrow    C. famous    D. tradition

2.custom                                          

A. measure   B. upstairs    C. respect    D. sugar

3.twice                                            

A. machine   B. invite      C. terrible    D. bitter

4.doubt                                           

A. amount    B. trouble     C. shoulder     D. group

5. north                                            

A. thunder    B. worthy     C. neither      D. clothes