．Hundreds of people gave their lives in __________ of freedom.
| A．protection | B．guard |
| C．defence | D．favor |
The church has______ quite a few changes over the years.
| A．watched | B．witnessed | C．viewed | D．observed |
At the______ of the century, Shanghai is developing at a rapid speed.
| A．turn | B．change | C．age | D．time |
—Excuse me, may I ask you some questions?
---Sorry, I’m too busy and haven’t even a minute to________.
| A．spend | B．spare | C．share | D．stop |
The computer was one of the greatest______ in the 20th century.
| A．inventions | B．discoveries | C．findings | D．explorations |
He_____ some German while he was away on a business trip in Berlin.
| A．picked out | B．picked up | C．gave up | D．gave out |