The good thing about children is that they _____ very easily to new environments.
| A．appeal | B．adapt | C．attach | D．apply |
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 |
68 It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
| A．while | B．that | C．when | D．As |
69.I like ____ in the autumn when the weather is clear and bright.
| A．this | B．that | C．it | D．one |
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 |