Преобразуйте предложения, используя герундиальные обороты.
Например: We heard that the plan had been made up last week. — We heard of the plan having been made up last week.
We are surprised that they developed the program as early as two weeks ago.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.