China is ___ the east of Asia while Japan is ___ the east of China.

A. in, on   B.on, to   C. in, to    D. to, on

The scientists are trying to ___ natural energy to decrease air pollution.

A. make friends with   B. make full use of  C. make notes of   D. make into

You’d better come to my home tomorrow, because ___ to show you some of my best stamps.

A. I will like   B. I shall like   C. I like    D. I'd like

Mr. King, manager of a big department store, is about to pay a visit ___ Chian next month.

A. for   B. to    C. about   D. in