1.Peter is_____(ride) his bicycle.2.The pond is too quiet.Th

1、riding
2、happy

1.Peter is__riding___(ride) his bicycle.
2.The pond is too quiet.The tortoise is_happy____(happy).
如果满意，请记得采纳

1,riding
2,unhappy

1、riding (be动词后面的动词形式有三种可能：
-ing:现在进行时, I'm trying to give you the right answer.
-ed:被动语态, I'm told that you don't know her.
-to do: 表示按计划或安排要做的事。)
2、happy