1.I'll never forget the Hakka Earth Building ___I spent many happy hours there with my parents last summer.
A.where B.because C.which D.though
2.In the advertisement,a young boy enjoyed each mouthful of the food in his hand with such great enjoyment that almost every child was made___that nothing would bemore delicious than it.
A.to convince B.convinced C.convincing D.having convinced问题补充：
能说说原因么?