单选题：____is known to us all that the old scientist, for _..

题目分类：it的用法
题目类型：单选题
查看权限：VIP

题目内容：

________is known to us all that the old scientist, for ____________life was hard in the past, still
works hard in his eighties. [ ] A. It ; whom
B. As ; whom
C. As; whose
D. What; whom

参考答案：

As the busiest woman in Norton, she made ____ herduty to loo..

As the busiest woman in Norton, she made ____ herduty to look after all the other people's affairsin that town.[ ]A. thisB. that C. oneD. it

分类：it的用法题型：单选题

查看答案

He didn't make ________ clear when and where the meeting wo..

He didn't make ________ clear when and where the meeting would be held.[]A．this B．that C．it D．these

分类：it的用法题型：单选题

查看答案

Everyone knows ___ is dangerous to play with fire, but _..

Everyone knows _____ is dangerous to play with fire, but _____ is difficult is to prevent children from playing with fire. [ ]A. that; it B. it; it C. that; what D. it; what

分类：it的用法题型：单选题

查看答案

— How I wish I had watched the football match last night.— ..

— How I wish I had watched the football match last night.— ________, today's examination would be a total disaster. [ ]A. When necessaryB. If soC. If possibleD. So what

分类：it的用法题型：单选题

查看答案

_____ as much as one-fifth of the trees have been cut down...

_____ as much as one-fifth of the trees have been cut down.[ ]A. saidB. It saidC. It is said that D. As is said

分类：it的用法题型：单选题

查看答案