If a book is in French, ____ will be a challenge for me．

—What do you think of the four classics(名著) of China? —I hear they are wonderful, but I’ve read _____ of them.

—Did your sisters go to the concert last night?—No, we               went to my aunt's birthday party.

Is there _________ in today’s newspaper?

______ will take you a lot of time to find him in the crowd.