--- When did you buy this computer? It looks so new.--- I it for only a couple of days.My sister bought it for me as a birthday present.
---It’s generous ________ Millie to donate all her pocket money to UNICEF. ---Yes. It is really meaningful _________ us to do something for charities.
---It’s nice day, isn’t it? ---Yes, what fine weather!
The windows of classroom _____ up every week.
I really don’t know _______
Students are often told _____ at people who are in trouble.