用方框中所给的单词的适当形式填空,每个单词限用一次。
| have four large invent spend |
66. How about __________ some time with the children on Children’s Day?
67. If we look around us, we can see many of Edison’s _____________ .
68. In American, Thanksgiving Day is on the _________ Thursday.
69. Which country has __________ population in the world, do you know?
70. Every dog___________ its day..