77.Does ______ matter if he can’t finish the job on time?
| A．this | B．that | C．he | D．it |
76..I don’t think ____ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
75.Is ____ necessary to complete the design before National Day?
| A．this | B．that | C．it | D．he |
73.Joan had often heard____ said that Marley had no money.
| A．it | B．this | C．that | D．one |
72. I hate___ when people talk with their mouths full.
| A．it | B．that | C．these | D．them |
71.The Parkers bought a new house but ____ will need a lot of work before they can move in.
| A．they | B．it | C．one | D．which |
70. -Do you like ___ here?
-Oh，yes. The air，the weather，the way of life. Everything is so nice.
| A．this | B．these | C．that | D．it |
69.I like ____ in the autumn when the weather is clear and bright.
| A．this | B．that | C．it | D．one |
67.I consider____ my duty to help you．
| A．it | B．this | C．that | D．its |
66. Is＿possible to fly to the moon in a spaceship?
| A．now | B．man | C．that | D．it |