In many ways China’s rapid growth has been seen as a(n) ______ to improve the cooperation with other countries.

___ speak Germany and ___ speak English.

There is a 20 minute parking _____ here, so we must get back to the car very quickly.

Office _______ is just something that he plays at; the one thing that really interests him is golf.

Cloning an animal is a complex ________ that can go fatally wrong at any stage.