--- Steve is good at writing stories. --- So he is. But he writes ____ than us. So he can get good grades in writing.

—Helen, can I wear jeans and a T-shirt to the evening party?—OK. But a dress might be       .

—Do you like the film 13 Flowers of Nanjing(金陵十三钗)？—Yes, I do．In fact, I've never seen a _______one．

Lucy is the________ of the twins, and she is the_______ girl in her class.

Beijing is one of the ______ in the world today.