They used to make ________ to meet and have a party at the end of a month.
| A．a rule | B．it a rule | C．it rule | D．them a rule |
They put forward a lot of plans at the meeting, none of _______ were carried out in their work.
| A．which | B．them | C．what | D．that |
They put forward a lot of plans at the meeting, none of _______ carried out in their work.
| A．which | B．them | C．what | D．that |
He had a lot of friends, only a few of ______ invited to his wedding.
| A．whom | B．them | C．which | D．who |
I met the fruit-pickers, several of _______ were still university students.
| A．that | B．who | C．them | D．whom |
Her sons, both of ______ work abroad, will come back home this summer.
| A．that | B．who | C．them | D．whom |