The old man has two ——A.son-in-law B.sons-in-law C.son-in-laws D.sons-in-laws 2.English is a bridge ---A.of many knowledgesB.of much knowledgeC.to much knowledgeD.to many knowledges
问题描述：
The old man has two ——
A.son-in-law B.sons-in-law C.son-in-laws D.sons-in-laws
2.English is a bridge ---
A.of many knowledges
B.of much knowledge
C.to much knowledge
D.to many knowledges
答
B,son后面加s，in-law是形容son的，所以不能加s。 C，bridge to 是词组，而knowledge是不可数名词，所以用much来形容。
答
C
B
答
B. sons-in-law
B.of much knowledge
答
1、C，son-in-law是个整体，复数在最后加s
2、B，knowledge意思是“知识”的时候不可数，用much。of意为：……的
答
1.B 2.B
答
1.A
2.A
答
B,son后面加s,in-law是形容son的,所以不能加s.
C,bridge to 是词组,而knowledge是不可数名词,所以用much来形容.
答
b,c