Helen always helps her mother even though going to school most of her day.
| A．takes up | B．makes up | C．saves up | D．puts up |
Nongfu Spring, one of China’s biggest bottled water companies, was reported ________ to meet national standards, and its chairman held a news conference in Beijing on May 7.
| A．having failed | B．to fail | C．failing | D．to have failed |
The Chinese government will keep updating information about H7N9 bird flu in a transparent manner, and _______ public concerns in a timely manner.
| A．subscribe to | B．respond to | C．contribute to | D．adjust to |
In class the professor__________ the finance project in simple but vivid language to make it easier for us to understand.
| A．undertook | B．clarified | C．approved | D．spoiled |
He warned me of what I otherwise __________ about the accident.
| A．ignored | B．had ignored |
| C．would ignore | D．would have ignored |
The Diaoyu Islands have been part of China’s territory since ancient times, __________ as important fishing grounds of Taiwan.
| A．served | B．to serve | C．serving | D．having served |