— How long have you known John?
— Since he ______ to our class.
| A．has come | B．came | C．had come | D．comes |
The London 2012 Olympic Games marks the third time that London ______ the right to host the modern Olympics.
| A．had had | B．has | C．had | D．has had |
People planning trips home used to believe that only through the railway’s telephone ticket hotline ______ get their tickets efficiently.
| A．they may | B．could they | C．shall they | D．they would |
In a sense, no country, big or small, should object to the trend of peace and development, ______ creating trouble to others.
| A．constantly | B．eventually | C．finally | D．immediately |
--How many people have died in the bomb explosion?
---They say they’ve had reports that more than a hundred people died but cannot ______ this.
| A．require | B．advise | C．demand | D．confirm |
Fruits are sold by ______ kilogram in the market, and it will be cheaper to purchase them in ______ quantity.
| A．the; / | B．the; the | C．a; the | D．/; a |