By the 2030s most people can to live at least 80, which is a big leap for mankind.
| A．expect | B．desire | C．want | D．demand |
Jack is a student and studies at the NO. 1 Middle School, _____.
| A．it was the same with Mike | B．so it is with Mike |
| C．so is Mike | D．so does Mike |
Lawrence Craven, a doctor from the USA, is the author of several published reports, one of _____ introduced the idea in 1953 _____ aspirin could reduce the risk of heart attacks.
| A．them; when | B．which; that | C．what; that | D．which; when |
_____ is known to us all is that the 2010 World Expo will take place in Shanghai.
| A．It | B．What | C．As | D．Which |
— Could you put off the meeting ?
—__________. This is the only day everyone is available.
| A．No problem | B．Not really | C．It depends | D．It’s up to you |
If you are unable to attend the interview, for__________reason, you should inform us immediately.
| A．whatever | B．whichever | C．whose | D．which |