Social practice is _____ opportunity for students to gain _____ better understanding of how society operates.
| A．the; the | B．the; a | C．an; a | D．an; the |
Going on a trip into space must be quite exciting experience.
| A．/ ; the | B．the; the | C．the; an | D．/ ; an |
_______ in the leg, the soldier was sent to hospital.
| A．Seriously injured | B．To be injured | C．Injuring badly | D．Having injured |
Is this factory ___________?
| A．the one your father works in | B．where your father works in |
| C．which your father works | D．your father works in |
____ the problem was ______ he could deal with, he called the police for help.
| A．To realize; what | B．Having realizing; more than |
| C．Realized; more than | D．Having been realized; what |
— Obama won the election. It’s amazing!
— Yes. But the result was within ______ we had expected, ______ brought great joy to many young people and the black.
| A．that; which | B．that; that | C．what; what | D．what; which |