They put forward a lot of plans at the meeting, none of _______ were carried out in their work.

They put forward a lot of plans at the meeting, none of _______ carried out in their work.

He told me that he had two girl-friends, and neither of _______ knew anything about the other.

He told me that he had two girl-friends, neither of _______ knew anything about the other.

He asked a lot of questions, and none of ______ was easy to answer.

He asked a lot of questions, none of ______ was easy to answer.

He had thousands of students, many of ______ gained great success in their own field.

I met the fruit-pickers, several of _______ were still university students.

Her sons, both of ______ work abroad, will come back home this summer.

George, with _______ I played tennis on Sundays, was a warm-hearted person.