77.Does ______ matter if he can’t finish the job on time?

　
76..I don’t think ____ possible to master a foreign language without much memory work.　　　　　　

　
75.Is ____ necessary to complete the design before National Day?

73.Joan had often heard____ said that Marley had no money.

72. I hate___ when people talk with their mouths full.

71.The Parkers bought a new house but ____ will need a lot of work before they can move in.

70. -Do you like ___ here?
-Oh，yes. The air，the weather，the way of life. Everything is so nice.

69.I like ____ in the autumn when the weather is clear and bright.

67.I consider____ my duty to help you．

66. Is＿possible to fly to the moon in a spaceship?