英语高手007陕西007陕西 7.Though he started late,Mr.Guo played the pi

英语高手007陕西
007陕西
7.Though he started late,Mr.Guo played the piano as well as ,if-----,Miss Liu.(A)
A.not better than B.not better C.no better than D.no better.
19.I---there little more than a week when I set to work with the scientist.(C)
A.would be B.have been C.had been D.will be.
20.Today,we’ll discuss a numble of cases----beginners of English fail to use the language properly.(D)
A.which B.as C.why D.where.
具体分析一下
20题不是同位语从句吗?
难道就是因为case要用where引导吗?
(用why也解释的过去啊)