It was the dream of becoming rich _____ attracted people from all over the world to the state, ______ gold was discovered in 1848.
| A．that; where | B．that; which | C．which; where | D．what; in which |
63. Children can usually dress ______ by the age of five.
| A．him | B．them | C．himself | D．themselves |
64.There is a photo on the wall.____ the photo of Lei Feng.
| A．It | B．Its | C．It's | D．He |
65.Is＿necessary to tell his father everything?
| A．it | B．that | C．what | D．He |
66. Is＿possible to fly to the moon in a spaceship?
| A．now | B．man | C．that | D．it |
67.I consider____ my duty to help you．
| A．it | B．this | C．that | D．its |