Fill in the Blanks Verb To be Online version Complete the sentences with the right answer, according to the structure of the verb To be. by Estiven Alfonso Gutierrez 1 is is is am are am is is are am I David , I 14 years old . My favourite hobby riding my bicycle all day . My mother's name Teresa . She very intelligent and I love her . My brother Carlos , He 20 years old . We a very happy family , actually , we spending a lot of time together . Besides , I love to share what I doing in my social network s