______ economic, political and cultural difference, China and America have decided to cooperate in dealing with global issues.
With the release of the latest version of iPhone, users can have easy _________________ to ever-growing incredible on-line games.
Kobe Bryant was _______ by another teammate in the last ten minutes after a knee injury and their team narrowly won the game in the end.
In that school, German is compulsory for all students, but English and French are_______.
.After the earthquake, the first thing the local government did was to provide ____________for the homeless families.
It is reported that North Korea once agreed to _________its neclear program in exchange for economic aid and security guarantees.