1.are->were
2.alone->lonely
3.正确
4.used后加to
5.正确
6.untidy->tidy
7.easy->easier
8.He->It
9.去掉of
10.smoke->smoking
尽我所能了,希望全部都是正确的.
1.are->were
2.alone->lonely
3.正确
4.used后加to
5.正确
6.untidy->tidy
7.easy->easier
8.He->It
9.去掉of
10.smoke->smoking
尽我所能了,希望全部都是正确的.