（2013）I to my cousin’s birthday party last night, but I was not available
| A．went | B．had gone |
| C．would go | D．would have gone |
The internet was flooded with a game called the Ice Bucket Challenge（冰桶挑战）, ________ raise awareness for a disease called ALS.
| A．aims to | B．aim to |
| C．aiming to | D．was aimed to |
The visiting minister expressed his satisfaction with the talks, ______ that he had enjoyed his stay here.
| A．having added | B．to add |
| C．adding | D．added |
____ on ten years of observation and study, the story shows that everyone dreams every night, whether they realize it or not.
| A．Basing | B．Based |
| C．Being based | D．Having based |
There are more than 740 million Chinese _______ to second-hand smoking in public places now.
| A．are being exposed | B．exposed |
| C．to expose | D．having been exposed |
What a pleasant birthday party! It is worthy_______all my life.
| A．being remembered | B．remembering |
| C．to remember | D．to be remembered |