—Jim, is your brother in?—No, he is reading in the library at the moment.
-- Mary is going to Shanghai for the winter vacation.-- _______________
The boys don’t know ___________.
The girl has been lonely since her mother ______________.
-- You used to be short, didn’t you?-- _______. I was the shortest in my class.
I think students should _______ to have at least one hour a day for sports.