If you love someone, why ______ you chain him to your side, control his emotion, and even make him center on you?

The dictionary ________ me more than 100 yuan.

I am feeling sick now．I ________ so much chocolate．

(2013·潍坊市高三二模)Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.

—Must I finish the work today?—No, you    .