Sichuan is located ________ the west of China while Japan lies______ the east of China

All __________ people on the earth should use the natural resources wisely， or they __________ by the nature sooner or later.

This is ____ interesting book, please ___ it _____ here.

I’m going to Sanya for the summer holiday ——-______________!.

He tells me not only his parents but also he ______America.