The teacher said that Columbus America in 1492.（2012～2013 .河北邢台一中）
| A．discovered |
| B．find |
| C．had discovered |
| D．had found |
The athlete’s family came to Beijing in August,2008 to watch him play.That was
_____they began their contact with the large country with a long history.
| A．in which | B．at which | C．why | D．when |
Wen Jiabao told the orphans in Wenchuan Earthquake not to cry.His words ____not
have calmed them instantly,but his concern about common people was obviously seen.
| A．can | B．must | C．may | D．should |
You need to pay your bill immediately,____your water and electricity will be cut off.
| A．or rather | B．or else | C．even so | D．if so |
The 2008 Beijing Olympics is considered to be ____ most prepared and most successful Games in ____modern Olympic history.
| A．the;/ | B．a;the | C．the;a | D．/;the |
Don't come ___ you are invited.
| A．unless | B．if not | C．why | D．that |