第二个为什么用play原型?其余的也讲讲为什么.

问题描述:

第二个为什么用play原型?其余的也讲讲为什么.
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._______
还有第五个,为什么?答案是has learnt

A
1.went ,因为是讲的上周去散步,所以用过去式
2.watch sb doing sth: 看着某人正在做某事
3.was
4.misses,根据句子前后,now,现在很想他,所以用一般现在时
B
1.learned, 讲的是三个月前的事情,所以主体用过去式
2.has visited ,他参观过我们国家的许多名胜古迹,过去发生的而且持续到现在,以后也可能在持续,用现在完成时
3.will fly,因为这是在讲下个月他将要来,所以用一般将来时