He slipped(溜进) into the classroom without ___________.
| A．noticed | B．noticing |
| C．being noticed | D．was noticed |
Lucy is a shy girl, but can you imagine ______ with the boss in Japanese?
| A．her quarrel | B．her to quarrel | C．her quarreling | D．she to quarrel |
---I’m very sorry to have ___ you with so many questions.
---It doesn’t matter.
| A．forbidden | B．excused | C．impressed | D．bothered |
The telegram has faded out in our life now, and gone with____ are telegraph operators.
| A．what | B．which | C．it | D．them |
When I was in the countryside, I ____ by the riverside every day.
| A．walked | B．was walking | C．walk | D．have walked |
____ that they are inexperienced, they have done a good job.
| A．Giving | B．To give | C．Given | D．If given |