— On summer nights, the weather is usually hot at night in the south of China.— Yes, so I often go to sleep ______ the window ________.

 ---- How do you usually go to school, Mary?----I usually go to school _______ a bus.

 My favourite season is spring.  It usually comes ______ March.

Do you know that special remedy ____ a cold?     

What’s this_______English ?---It is a map。