The best way to explore _______ countryside is on _______foot.
Shanghai ,_____on the Huangpu River, is the largest city of China.
I've always dreamt of buying a big house, and now my dream has ____true.
Some people complain that it usually ____so long to fill in the bank documents.
I have no choice but _____and sleep.
Angkor Wat is a famous temple which _____the eleventh century.A dates back to B. dated back toC. dates in D. dated in