— Could you meet me at the airport?— I'd like to,but I'm a fraid I ______ a very important meeting when you return.
_____ I do feel pity, I can’t really do very much to help them out of the difficulty.
The people living in these apartments have free ___to the swimming pool.
Asweallknow, typingisa___jobtoa__ heart. A tired ,tired B. tired ,tiring C.tiring,tired D. tiring,tiring
Among the competitors, there are three little girls, is Mary.
The Great Wall travels______ deep valleys, _____ deserts and______ mountains.