对,要自己做1how
2work
3on
4yes
5open
6done
7put
8done
9no
10obvious
11am
12this
13sad
14in
15having
16it
17 are
18have
19 this
20 you
对,要自己做1how
2work
3on
4yes
5open
6done
7put
8done
9no
10obvious
11am
12this
13sad
14in
15having
16it
17 are
18have
19 this
20 you