________of both sides, the two companies decided to _______ to become more competitive in the global market.
| A．For the benefit; combine | B．In the interest; be combined |
| C．On the basis; combine | D．With the help; be combined |
Everyone was silent as the organizer ________ the result of the speech competition.
| A．announced | B．pronounced | C．arranged | D．instructed |
After a few courses on painting, Helen said she would ________ oil painting in her spare time.
| A．look up | B．bring up | C．take up | D．put up |
Most people are familiar with the idea that all matter in the universe ________ atoms.
| A．makes up | B．makes up of | C．consists in | D．consists of |
________, Nathan gave back the enormous amount of money he found.
| A．To his sorrow | B．To his joy | C．To his surprise | D．To his credit |
After a day’s hard work, I went back home ________.
| A．exhausting | B．exhausted | C．being exhausted | D．having exhausted |