. The rocks are very big with _____ of colors on them.

The dog had such ________ to its master that it would not leave him, even when he  was dead．

Nowadays, few people form the habit of keeping the habit of candles in the house in case of  power      .

One of the main __________ of the summit was “sustainable development”,or the question how we can continue developing the world without damaging the environment.

When travelling, you should take traveller’s check, which provide a secure______to carrying your money in cash.