It was not until the beginning of the meeting _____ he realized _____ I told him was the only possible way to deal with the problem.
| A．that; what | B．what; that | C．when; what | D．when; that |
English is a language shared by several diverse cultures, each of ______ uses it somewhat differently.
| A．which | B．what | C．them | D．those |
China sent up Shenzhou V manned spaceship into space successfully, which shows science and technology ___ rapidly in China.
| A．have been developing | B．develops | C．is developing | D．has developed |
As he reached _____ front door, Jack saw _____ strange sight.
| A．the; 不填 | B．a; the | C．不填a | D．the; a |
_______ that he was in great danger, Eric walked deeper into the forest.
| A．Not realized | B．Not to realize | C．Not realizing | D．Not to have realized |
_____twice, the postman refused to deliver our letters unless we chained our dog.
| A．Being bitten | B．Bitten | C．Having bitten | D．To be bitten |