In our class, about ______ of the students ____ girls.A. third fifth, areB. third fifths, isC. three fifths, are
-----Could you tell me how long ________________? ------ About three days.
I don't know when he . When he , I'll let you know.
—I would like you to talk about the Great Wall. —I’m sorry, but ________ Jack ________ I have been there.
A report on history in our school next month.
Is this the factory __________ you visited the other day?