—Kathy and her sister are so alike.—I can’t tell one from ____.
--Look! The telephone is broken. Someone damaged it ________ purpose. --That may be right. But perhaps it was broken _________ accident.
It was because of bad weather __________ the football match had to be put off.
It is the first time that I _______ this kind of moon cake.
I don’t think that the necklace is made of diamond, ________?
My parents have promised to come to see me before I ______ for Africa.