---How often do you visit your father in the village?
---I feel ashamed．Just__________．
| A．often | B．by accident | C．once in a while | D．all of a sudden |
.
With a lot of problems ________, the newly – elected headmaster is having a hard time.
| A．settled | B．settling | C．to settle | D．being settled |
.
Soon after getting off his horse, the man appeared at the second storey windows,___he could see nothing but trees.
| A．from which | B．from where | C．in where | D．which |
.
Tom was very angry about ________ to Mary’s birthday party.
| A．not inviting | B．being not invited | C．not being invited | D．not to be invited |
.
You can come here to ask me _____ if you have any questions.
| A．at one time | B．at your time | C．at any time | D．all the time |
.
Having a trip abroad is certainly good for the old couple, but it remains ______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．see |