Be quick! Or（否则） you’ll ________ the start of the film.

My chest ___ when I take a deep breath, doctor.

The opening ceremony has been put off_____ the badweather

Many people in China are ________ a “Hope Project”, helping poor children to get compulsory education．

How nice the fish tastes! Could you tell me who taught you to cook it — I learnt it _______watching TV. I learn to cook many dishes_______ TV.