---How could you be so rude as to walk in here in the middle of my class?
---_____________
| A．Nothing much | B．Nothing serious | C．Never again | D．Never mind |
On Sundays there were a lot of children playing in the park, _______ parents sitting together joking.
| A．their | B．whose | C．which | D．that |
On Sundays there were a lot of children playing in the park, and _______ parents were seated together joking.
| A．their | B．whose | C．which | D．that |
On Sundays there were a lot of children playing in the park, _______ parents were seated together joking.
| A．their | B．whose | C．which | D．that |
.On Sundays there were a lot of children playing in the park, _______ parents seated together joking.
| A．their | B．whose | C．which | D．that |
They put forward a lot of plans at the meeting, but none of _______ were carried out in their work.
| A．which | B．them | C．what | D．that |