________ is not an easy thing for everyone to master a foreign language.A. That B. This C. It
--- ________ do you feel when you leave your mum and dad? --- I feel a bit sad.
Thanks for _______ me such a great photo. You look pretty good.
Liu Tao is good at all the subjects at school, _______ English.
The woman can’t find her keys, so she looks ________.
This kind of music _______ beautiful.