单句改错

In his speech, Professor Smith gave us some advice in how to improve our English pronunciation.

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单句改错

Something must be done to make crops growing in the flooded fields again.

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单句改错

If we kill some of a certain of wild animals, there will be none left for us to study.

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单句改错

In 1989 an oil tanker hit a rock of an island on the northwest coast of Alaska.

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单句改错

Cattle is one cause of the problem why the area of desert in the world is growing every year.

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单句改错

Chemicals in the smoke from power stations cause a lot of damages.

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单句改错

After the volleyball match, the watchers went off separate for their homes.

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The Olympic Games, first playing in 776 B. C. , did rat include women players until 1917.

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单句改错

When autumn comes, you can see many falling leaves lying on the ground.

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单句改错

The coat is too small; it doesn't fit for him to wear.

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