She can't help ________ the house because she's busy making a cake.
| A．to clean | B．cleaning |
| C．cleaned | D．being cleaned |
At the end of the class, the teacher _______ the main points of the lesson in three sentences.
| A．summed up | B．picked up | C．brought up | D．took up |
The bridegroom, together with the bride, went into the hall, with a flower ______ onto his suit.
| A．stuck | B．pinned | C．locked | D．bound |
She sings quite well. But _____, she is an English teacher, not a music teacher.
| A．as a result | B．as a rule | C．as a whole | D．as a matter of fact |
The plan was canceled after someone presented _____ objections to it at the meeting.
| A．operative | B．efficient | C．valid | D．secure |
The thief was caught by the police in the railway station before he was able to _____.
| A．purchase | B．flee | C．flock | D．avoid |