I don’t think the experiment is ______ failure, because it has provided us with _____ valuable experience for our future tests.
| A．不填; 不填 | B．a; 不填 | C．a ; a | D．不填; a |
___________ in 1910, the museum is almost 100 years old.
| A．Building | B．To build | C．Build | D．Built |
I __________ Wang Ping again and flew after him.
| A．took up | B．swept up | C．caught sight of | D．speed up |
Did you have your bike __________ yesterday?
| A．repair | B．repairing | C．repaired | D．to repair |
England can __________ three main areas, the South, the Midlands and the North.
| A．break away | B．be divided into | C．be consisted of | D．leave out |
So many thousands of ___________people died.
| A．terrified | B．terrifying | C．to terrify | D．were terrified |