No one could _________ the failure of the experiment as everything went smoothly at first.
On Sundays there were a lot of children playing in the park, _______ parents were seated together joking.
.On Sundays there were a lot of children playing in the park, _______ parents seated together joking.
They put forward a lot of plans at the meeting, but none of _______ were carried out in their work.
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.