根据短文内容及首字母填空.
The students in my class have d_______ dream jobs.Jack wants to be an e__________.He wants to design rods,b_________ over rivers and houses.Bob is a kind boy .He is going to be a d_________ because he wants to help sick people.Kate is inerested in m_________ ,so she wants to be a singer .She is going to sing lots os s_________ for people.
Tim ,a boy who does well in s_________,dreams of being a scientist.
Joan wants to become an a___________.She says,"I'm going to explore space some day." As for me ,I'm going to be a t__________and teach English when i grow up .We are all trying our b_________ at school.