单选题：He has made another wonderful discovery,___ of great importa..

题目内容：

He has made another wonderful discovery,___ of great importance to science.A．who I think itB．which I think it isC．that I think isD．which I think is

参考答案：

The World Wide Fund for Nature is an organization_____aim is..

The World Wide Fund for Nature is an organization_____aim is to protect wildlife. A．whoB．whereC．whichD．whose 

分类：状语从句题型：单选题

It was in the lab___was taken charge of by our teacher____ they did the experiment.A．which; thatB．where; whichC．which; whereD．that;where

分类：状语从句题型：单选题

The boy dived into the water and after ___ seemed to be a long time, he came up again.A．whatB．thatC．itD．which

分类：状语从句题型：单选题

You have not yet answered my question _______ I can join in the party tonight．A．whetherB．ifC．whichD．that

分类：状语从句题型：单选题

The weather turned out to be very good,_____was more than we could expect.A．whatB．whichC．asD．it

分类：状语从句题型：单选题