That she hadn’t kept her ____ on her work resulted in the failure.
| A．head | B．heart | C．brain | D．mind |
____ is mentioned above, the number of the cattle here has been limited to 200.
| A．It | B．Which | C．That | D．As |
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 |
The buses, most of _________ were already full, were surrounded by an angry crowd.
| A．that | B．it | C．them | D．which |
David is such a good boy _________ all the teachers like.
| A．that | B．who | C．as | D．whom |