(2014·东北三校模拟)We had just covered half the journey________the engine failed and we could do nothing but wait for help

I _______ becoming a model.

Japan is ____the east of China and Guangzhou is ___thesouth of China.

21. Whether you believe what he said_________ what he does in the future.

Take things easy! The new secretary will relieve us _____some of the paper work[ ]