It was April 29, 2011_____ Prime William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that | B．when | C．since | D．before |
_________ the unwritten rule goes, study is good, but health comes first.
| A．Which | B．That | C．As | D．What |
— There is a story here in the paper about a 110-year-old man.
— My goodness! I can’t imagine________that old.
| A．to be | B．to have been | C．being | D．having been |
John thinks it won’t be long __________ he is ready for his new job.
| A．when | B．after | C．before | D．since |
— I’m going to Paris next week.
— What a ________! So am I.
| A．pity | B．coincidence | C．accident | D．chance |
Exploring ________ space is exciting, yet dangerous. There is _______need for both robots and humans for space exploration.
| A．the; a | B．a; the | C．/; a | D．/; / |