_______ bikes are new, but _______ are old.A. Our; theirB. Our; theirsC. Ours; theirs
Photography can be ______excellent hobby for kids.
Tell Sally to call _____, please.
—Merry Christmas! —_______.
The policeman caught the thief ______ has stolen Mr. Li’s computer.
—Miss Gao, I am feeling bored. Would you mind my ________ here? —You had better not, for smoking is forbidden in public now.