A of B of C .讲的是哪一个,哪一个才是主语

蟹蟹 He knows _____.A.many B.plenty C.a lot D.a lot of 哪一个? I was born _ the year of 1980.A.in B.on C.at 选哪一个? Do you do _____ thinking?A much ,B plenty of , C enough,选哪一个 A B C 哪一个.  A house made of wooden和a house made of wood,哪一个是正确的 Do you like noodles ____ mutton?A.of B.with C.in D.to 该选哪一个呢 do you think of di you life?A.WHAT B.HOW C.WHY D.WHEN选哪一个 switch(a){ case 'a':case 'b':case 'c':输出语句； break； }这是运行的哪一个 第四题的选择题应选A,B,C哪一个? A of B 的主语如果A of B的主语是A例如：a basket of apples 的主语是a basket那a 问号选a b c d哪一个? we each ( )a dictionary of this kind A.have B.has应该选哪一个,理由是什