1、I thought her nice and honest _______ I met her.

　　A.first time 　　B.for the first time

　　C.the first time 　　D.by the first time

　　2、He made another wonderful discovery, _______ of great importance to science.

　　A.which I think is　B.which I think it is

　　C.which I think it　D.I think which is

　　3、_______, Mother will wait for him to have dinner together.

　　A.However late is he　B.However late he is

　　C.However is he late　D.However he is late

　　参考答案&解析：

　　1、C　"第一次"英语为the first time.the first time I met her相当于一个时间状语从句when I first met her.for the first time作为第一次.

　　2、A　关系代词which在定语从句中作主语,代表the discovery.of great importance = very important.

　　3、B　whatever, wherever, whenever, whoever, however引导让步状语从句,意思是"无论(做什么,在哪儿,在什么时候,谁,如何)",加强语气,要用陈述句的语序.