20．It was four o'clock in the afternoon_____he and his grandpa reached the museum in Guanghan, _____an official warmly received them.
| A．that; where | B．when; that | C．when; where | D．that; when |
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai Province after the earthquacke.
| A．sending | B．to send | C．having sent | D．to have sent |
Stephen Hawking believes that earth is unlikely to be the only planet life has developed gradually.
| A．that | B．where | C．which | D．whose |
It's good feeling for people to admire the Shanghai World Expo that gives them pleasure.（）
| A． | 不填, a | B． | a, 不填 | C． | the, a | D． | a, the |
In this lecture, I can only give you a purelyview of how we can live life to the full and make some suggestions about the future.
| A． | private | B． | personal | C． | unique | D． | different |
After the earthquake, the first thing the local government did was to providefor the homeless families.
| A． | accommodation | B． | occupation | C． | equipment | D． | furniture. |