It’s a pity that his son was born ________ a weak heart.

Sharon White is a girl. ______ is ________ first name.

On summer nights, the weather is usuallyhot at night in the south of China.— Yes, so I often go to sleep ______ the window________.

I’m going to travel _____.X Kb1 .C om

You won the first prize in the Physics competition.— _________. I made several terrible mistakes.