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

题目分类：it的用法
题目类型：单选题
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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

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— 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

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_____ 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

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The boy wanted to ride his father's new motorcycle in the c..

The boy wanted to ride his father's new motorcycle in the crowed street but his father told him .[ ] A. not to do B. not toC. not do it D. do not so

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The archaeologists all find ________ to prepare for the wors..

The archaeologists all find ________ to prepare for the worst conditions they might meet during therestoration.[ ]A. worthyB. it worthwhileC. it worthD. it worthy

分类：it的用法题型：单选题

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___________ seems to be a strong competition in China for se..

___________ seems to be a strong competition in China for senior high students to enter college or university. [ ]A. WhichB. ThatC. WhatD. It

分类：it的用法题型：单选题

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