The old man has two ——

题目

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

答案

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.