The shop-assistant was straight with his customers. If an article was of _____ quality, he'd tell them so.

29．The police tried to get some clues from the suspect, but he remained________

The colour of the shirt is too_____. It doesn't go with my light blue trousers. 

-- There will be a __________ TV broadcast of the singing competition “The Voice of China” tonight. -- That’s great. I adore all of the singers.

At times, worrying is a normal, ________ response to a difficult event or situation – a loved one being injured in an accident, for example.