--- Mum, what are you doing? ---Your uncle will come; I put a(an) ________ plate on the dinning table.

Jack has had no ________experience of this kind of job，but he got the job offer just due to his honesty.

At times the balance in nature is ______，resulting in a number of possibly unforeseen effects.

Japan's first lady said Wednesday she would not marry Premier Naoto Kan again in ______ life.

We waited for the books he bought for us in             day and night.