The engineer has spent one year working in the US and discovered how things ________overseas.
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.