后天二模The careless driver has just been fined $10 for stopping

后天二模The careless driver has just been fined $10 for stopping his car
The careless driver has just been fined $10 for stopping his car at a sign that ___(答案：reads)"NO PARKING".老师说像这种什么什么说,写在标记上的东西用V+s
可是……海淀一模有一道题让我愣了
I didn't realize mt mother loves me so such until I rreceived her gift foe my 18th birthday ,a diary____(答案：recording)the process of my growth.
怎么一个用V+s,一个用V+ing?
还有
---Your baby is too thin.
---It could gain weight,but it ____(答案：doesn't eat)much.为什么用一般现在时而不用一般过去式?