Cats can__(climb trees,swim in the river),but dogs can__(cli

Cats can__(climb trees,swim in the river),but dogs can__(cli The rabbit can__ __ i can__ the butterfly in red,yellow and bllack.The___of the shopping online can__ both convenience and choice,but not __ 标词性：rain__ can__ ___carefully and you can__ the differences between them. ( )is very interesting to swim in the river,but it'sdangerou The litter boy can swim (swim swims )in the river Many boys___(swim)in the river now Look!They___(swim)in the river Many people_____(swim)in the river. Let them not swim in the river