【英语动词适当形式填空】谢谢!!

to know,is going,begin,do know,used ,to do,have,watch,is

to know
is going
are beginning
do
know
used
and do
have
watch
will be

dear dick:
how nice to hear from you again.you want to know(know) what is going(go) on in schools in china. in short, things began(begin) to improve since schools were called on to reduce learning load,i did not know(know)about others, but i used(use) to have work even at weekends to do(do)endless homework and attending classes as well.mow i have(have)more time.i can follow my own interests such as reading books, visiting museums,and takng computer lessons.in the evening i can watch(watch)news on TV or read newspapers.what`s more,i can go to bed earlier.as far as i konw,everyone is(be) happy about this.
li hua

to know;
is going
have begun
do
know
used
doing
have
watch
is