_____ the fact that his initial(开始的)experiments had failed, Pro. White persisted (坚持) in his research.
| A．Because of | B．As to | C．In spite of | D．In views of |
My grandfather is fond of talking about the good old days, __________ is often the case with old people.
| A．when | B．as | C．that | D．what |
Marco was lucky enough to meet another prisoner __________ enjoyed listening to his stories.
| A．who | B．which | C．whose | D．what |
The motorcycle competition in the desert, __________ lasted ten days, is over now.
| A．where | B．it | C．that | D．which |
Li Ming got high marks in the exam, __________ surprised his classmates.
| A．when | B．that | C．which | D．who |
The gardener was called to tell the way __________ the poor dog had died.
| A．that | B．which | C．in that | D．of which |