He was just too hurry to take a pen when he left the office.必须加a,可数名词.
应该是:made rapid progress progress 进步,不可数
at the beginning of ...
The air in the office wasn't good.
air前加the是因为后面有in the office 这个介词短语来作定语,所以加the 特指.
He was just too hurry to take a pen when he left the office.必须加a,可数名词.
应该是:made rapid progress progress 进步,不可数
at the beginning of ...
The air in the office wasn't good.
air前加the是因为后面有in the office 这个介词短语来作定语,所以加the 特指.