With nothing __________ to burn, the fire became weak and finally died out.
| A．leaving | B．left | C．leave | D．to leave |
Environment-friendly Olympics requires Beijing to improve its environment, turning it into an ecology-friendly city.
| A．eventually | B．specially | C．absolutely | D．traditionally |
Over time,custom of kissing developed asway for adults to express their love for each other.
| A．a; the | B．a; a | C．the; the | D．the; a |
____ the instructions on the packet when you take the drug and the drug, I think, will work soon.
| A．Follow | B．To follow | C．Following | D．Followed |
Please double that report. In other words, type on every other line.
| A．spacing | B．spaced | C．space | D．a space |
Tough __________ the task was, we _______ finish it ahead of time and therefore we were highly praised for it.
| A．though; would | B．although; had to |
| C．as; were able to | D．though; must |