His uncle went abroad in 2010, and _______since.
| A．has not been heard of | B．had not been heard of |
| C．had not heard of | D．has not heard of |
--- Are you still mad at her?
---Not really, but I can’t ______ that her remarks hurt me.
| A．deny | B．refuse | C．reject | D．decline |
Teachers have to constantly update their knowledge in order to maintain their professional ___.
| A．consequence | B．independence | C．competence | D．intelligence |
It was never clearthe man hadn't reported the accident sooner.
| A． | that | B． | how | C． | when | D． | why |
In that school, English is compulsory for all students, but French and Russian are___
| A．special | B．regional | C．optional | D．original |
Between the two parts of the concert is an interval, ___the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |