A Do you still remember Old Henry?Last Sunday,he 1 (go) for a walk with Wang Wang,his cute dog.

题目

A Do you still remember Old Henry?Last Sunday,he 1 (go) for a walk with Wang Wang,his cute dog.
挨个讲讲为什么第2个play,第5个has learnt
A
Do you still remember Old Henry?Last Sunday,he 1 (go) for a walk with Wang Wang,his cute dog.It was a nice day.Old Henry sat down and watched Wang Wang 2 (play) with a friendly black cat.Then it was time to go home.Old Henry looked for his dog.But Wang Wang 3 (be) not there!Now Old Henry is very sad.He 4 (miss) his dog and doesn’t want to do anything.
B
My pen pal Peter came to Beijing 3 months ago.There days he 5 (learn) Chinese in a language school.He likes travelling.And he 6 already 6 (visit) many great places of interest in our country.Next month,he 7 (fly) to Harbin for the summer vocation.I am sure he will have a good time.
1._______ 2.________ 3.________ 4.________ 5._________ 6._______ 7._______

答案

因为watch sb do sth 是看见某人做某事的全过程
There days he has learnt Chinese in a language school 因为There days 说明他已经学会了这一句用完成式