Sitting at the corner of the meeting room, he looked sad because there were so many problems ________.
The first decade of the 21st century _____ the breathtaking and non-stop development of China.
---I had practiced my spoken English, but still failed in the oral test.---Don’t be discouraged._____ and you will surely pass it.
A strange girl entered the room and told me a story of her own, _____ I suspected the truth.
Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!
--- I can’t go for a picnic with you because something urgent has _____.---What a shame!