I have _________about it.
I hear ________ students went to the hall to have the concert.
My sister is only four years old, but she can look after ________ now.
This term, we have ________ new subject—physics. It’s interesting.
---I think teenagers should be allowed to have part-time jobs. ---_______. Studying is more important for them.
-- I would like to go on a trip to Hong Kong this winter holiday. ---Really! _________ !