_____is too hard _____ a good solution to this problem.

I don’t make ________ clear when and where the parents’ meeting will be held.

—Is the boy in white clothes your friend, Kangkang? —No. ____ in black clothes is.

—A latest English newspaper, please! —Only one copy left. Would you like to have        , sir?

The daytime of the summer is longer than _____ of the winter.