改成同义句。

1. Kate can't work out the math problem, I think.

    I ______think Kate ______work out the math problem.

2. He doesn't know either Russian or French.

    He knows ______ Russian______ French.

3. To talk loudly in public is rude.

    ______ ______ ______ talk loudly in public.

4. "You can't smoke any more," the doctor said to him.

    He was ______ ______ ______ ______ smoking.

5. Students go to English clubs. They want to practice their English.

    Students ______want to practice______English go to English clubs.

6. "Did you water the trees?" his wife said to him.

    His wife asked him ______ ______ ______the trees.