__________ printed, this science fiction will be popular among the students.
| A．Before | B．Unless | C．Although | D．Once |
The house I grew up _______ when I was in Australia has been taken down and replaced by an office building.
| A．in which | B．in it |
| C．in | D．in that |
Liberia has seen more Ebola deaths than the other affected countries but there are now some _______ signs.
| A．efficient | B．positive |
| C．individual | D．negative |
Slowly the old woman took out her pocket book, and an old photograph _______ out of it.
| A．had been dropped | B．was dropped |
| C．was dropping | D．dropped |
Chinese President Xi Jinping has _______ a vision of Chinese-driven Asia-Pacific dream at the APEC CEO summit in Beijing.
| A．put forward | B．figured out |
| C．signed up | D．adapted to |
The desire for self-improvement has led many Chinese students to pursue educational opportunities _______ physical classrooms.
| A．beyond | B．before | C．against | D．without |