er I met her，________ was fairly often, she greeted me with a sweet smile

The teacher with the students_______ discussing the films_______ the subjects are science fictions.

It is ______ for children to learn to take care of themselves if they are going to camp for two weeks by themselves. [ ]

He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside．

Do you know____speakerof____Chinese language also has difficulty in learning Japanese