BE动词的使用（am,is,are)

BE动词的使用（am,is,are)
我想让各位路人帮帮忙：1.Those children_____thirsty.
2.Those children_____tired.
3.Their mother_____tired,too.
4.That ice cream man____very busy.
5.His ice creams____very nice.
6.What's the matter,children?We____thirsty.
7.What's the matter,Tim?I_____tire
如果要回答,请一次边上我写的序号,