1.I found that it was difficult to do the math problem.

1.I found that it was difficult to do the math problem.
I found _____ _____ to do the math problem.
2.Linda does her homework more carefully than Frank.同义句
Frank ____ ____his homework ____ carefully ____Linda/
Frank does her homework ____ _____carefully____Linda.
3.Julie Morgan was the most popular singer in the city.同义句
Julie Morgan was _____popular than any ___ ____in the city.

1.it difficult
2.doesn't do as as
less as
3.more other singers