题目内容：

有关英语单词组词问题的挑战性问题
The following sets of minimal pairs show that English /p/ and /b/ contrast in initial,medial,and final positions.
（这个是例子：）
Initial Medial Final
pit/bit rapid/rabid cap/cab
Find similar sets of minimal pairs for each pair of consonants given:（下面的这几组音标也要求像例子一样）
a./k/-/g/:
b./m/-/n/:
c./l/-/r/ :
d./b/-/v/ :
e./b/-/m/ :
f./p/-/f/ :
g./s/-/z/;

优质解答

a cap/gab frock/frog
b moon/noon acme/acne zoom/zoon
c lead/read glad/grad crackle/cracker
d bee/vee
e beat/meat cab/cam
f pub/fub leap/leaf
g sack/zack
不行了...脑袋累死了也只想到这么多...楼主你加点分吧...