This bird is really lovely， and I’ve never seen ______ one.

— How was your holiday? — It couldn’t have been _____. I just stayed in the hotel because it was raining most of the time.

His brother aims to be __________ of his parents by the time he is twenty.

The poor man , ________，ran out of the dark cave.

— The weather isn’t good enough for an outing, is it? — Not in the least. We can’t have __________ at this time of the year.