... Library of Congress is one of the ………………… libraries in the world a larger b largest c.larger than d most large He is a student……………………Le Loi school a at b in c on d for We are ……………………… .some experiments ... breaks We are ……………………… .some experiments a making b learning c doing Tim and Hoa are the same………………… a years old b age c old The United States’ Library of Congress is one of the ………………… libraries ... wall ? a any b .some c a What does your father do? - ………………………… a He is farmer b He is an farmer c.He is a farmer He works……………….a hospital He takes care ……………sick people a in-for b in -of c at-for...