---What’re you_________?---My son’s health problem___________ me a lot.
| A．worrying; worries |
| B．worried about; worries |
| C．worried about; worries about |
| D．worrying about; is worried about |
My brother used to __________, but now he is helpful to others.
| A．get trouble | B．get into trouble | C．getting into trouble | D．getting trouble |
To my ________ , the square was so clean after the big meeting.
| A．surprise | B．surprised | C．surprising | D．surprises |
Could you help me put up the maps on the wall? ----_______________.
| A．No problem. | B．I hope so. | C．That's all right. | D．That's a good idea. |
---I am not going swimming tomorrow afternoon. ----_____. I have to clean up my bedroom.
| A．So am I | B．Neither am I | C．neither I am | D．so I am |
Could you please_____ the piano so loudly? Your brother is having a rest now.
| A．not to play | B．not play | C．don’t play | D．to not play |