14,has already done
15,to get
16,was raining
17,didn't go
18,came
19,Paper was invented by the Chinese in the 1st century A.D
20,Thousands of cars are produced by this factory each year
21,Nam said that his sister liked reading old folktales
22,Mary asked me if Ha Long Bay was in the North of Viet Nam
23,The question is too difficult to answer
#good_luck
