He lost his key.It made him________in the cold to wait for his wife’s return.
Joe is a young man from a mountain area. He can’t to buy a flat in the city centre.
– Having many helpers makes a task easier and faster to complete. – I think so. .
It’s a pity that his son was born ________ a weak heart.
I________ shy. Doing projects with others has helped me become outgoing (外向的).
Peng Liyuan, First Lady of China invited Obama’s wife and his children to visit China March, 2014.