Các bạn làm được bài nào thì giúp mình bài đó nha !!!

I. There is ONE mistake in each of the sentences below. Pick it out and correct it.

1. No one have solved such a difficult problem

2. If you drive your car carefully, you won't cause accidents

3. The girl who were injured in the accident is now in hospital

4. This test is too difficult for me to do it

5. Her friendliness made him happily

6. I will come and stay with you and your family on March

II. Combine each pairs of these sentences, using TOO.

1. It's not warm today. We can't go outside

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2. The coat isn't warm. I can't wear it in winter

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3. Tom doesn't have money. He can't pay his bills

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4. The ice is very thick. People can dance on it

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5. The ladder is rather long. We can't use it

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