1.my father______（be）to shanghai twice 2.we do not know how _____（get）to the post office

1.my father______（be）to shanghai twice 2.we do not know how _____（get）to the post office
3.i_______already_______（finish）my homework
4.the students are very glad they______（visit）mount emei the day after tomorrow
5.______he______（do）morning exercise every day
6.i willgive the book to him as soon as she______（come）back
7.what_______he______（do）form eight to nine yesterday morning
8.li ming_______（join）the league at age of twelve
9.have you seen the film
—not yet ,i ______（see）it if i am free
10.if he_______（work）hard enough,he will catch up with others
11.how long______you______（return）form english since you came to this school______________________（）