单选题：He felt ____ duty to work for human rights and progress. [ ..

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He felt ____ duty to work for human rights and progress. [ ] A. it his
B. his
C. that is a
D. it is his

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— You should have thanked her before you left. — I meant __..

— You should have thanked her before you left. — I meant _____, But when I was leaving I couldn't find her anywhere. [ ]A. to do B. to C. doing D. doing so

分类：it的用法题型：单选题

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The population of China ________ 1.3 billion，and 80% of th..

The population of China ________ 1.3 billion，and 80% of the population________farmers.A．are; isB．is; isC．is; areD．are; are

分类：it的用法题型：单选题

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It’s so noisy. I’d really appreciate ____ if you’d turn ..

It’s so noisy. I’d really appreciate ____ if you’d turn the radio down.[ ]A. thatB. itC. thisD. which

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The power failure made ________ difficult for us to complete..

The power failure made ________ difficult for us to complete the task on time. [ ]A. thatB. itC. oneD. this

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—Will the Smiths go abroad this autumn?—No, they finally de..

—Will the Smiths go abroad this autumn?—No, they finally decided________.[ ]A. to B. not toC. not going D. not to have gone

分类：it的用法题型：单选题

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