请问大家答案这样对吗？做了英检练习题，但书没附解答，
对答案不是很确定，所以想请教一下，谢谢！
题目如下：
克漏字(依提示字填入下列空格，并注意语法变化。每空格不限一字)
want be lost look run
Cindy has a dog. The dog __1.__ a pretty one. And what a big dog it is!
The dog runs fast. Cindy runs fast, too. They __2.__ to the park every day.
Sometimes, the dog __3.__ to run, but Cindy doesn’t want to.
Sometimes, the dog runs so fast that Cindy can’t catch him.
Cindy will __4.__ him if she doesn’t run fast. How fast Cindy __5.__ then!
The dog __6.__ at her. He loves Cindy.
1.is
2.run
3.wants
4.lose
5.ran/was →请问这题答案应该用哪个字较恰当？感觉用ran和was似乎都可以
6.looks
谢谢大家！