Although new problems ______ during the last experiment, they didn’t give up.
| A．came | B．raised | C．arose | D．rose |
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 |
The novel “The Da Vinci Code” ______ a great success and was translated into 44 languages in 2004.
| A．appreciated | B．enjoyed | C．won | D．seized |