The loss of ability in the mother tongue is mainly caused by the         use of electronic devices and a lack of attention to culture.

25．If you sleep short of 7 hours, you are three times _______ to catch a cold．

The food in this restaurant is very good. You can’t find ______ restaurant in this town.

After a thorough search, the rescue team finally brought the mountain climber back, ________.

Tom is _______ to miss the early bus because he got up late.