fill in the blanks with the given words in their proper forms
1、forget,leave
ⅰ）Sam__his calculator in the classroom
ⅱ）I__my wallet
2、attend,join,take part in,enter
ⅰ)This summer i passed the entrance exam and____this senior high school
ⅱ)Would you like to ___ us in making robots?
ⅲ)My aunt __the air force in 1952
ⅳ)I'd like to___your discussion at noon
ⅴ)