题目内容：

句型转换

1.Some scientists think there is water on Mars.(改为否定句)

Some scientists ________________ think there _________________ water on Mars.

2.The universe is very large.(改为感叹句)

___________ __________________ the universe is!

3.There will be many robots in the factory.(改为现在完成时)

There __________________ _______________ many robots in the factory.

4.They have already come back from Hong Kong.(改为否定句)

They _______________ _______________ come back from Hong Kong ________________.

5.The boy is so careful that he made few mistakes.(改为同义句)

The boy is _________________ _________________ __________________ make few mistakes.