It was raining heavily. Little Tom feltcold, so he stood ______ to his mother.

The reason for _______ he failed in theexam was that he was too careless

What’s the trouble with you，Andy?—I want to find another firm.Whatever I do，I can’t _____ the boss now.[ ]

My aunt is already 50, but she looks _____ than she really is.

The plane cannot ______ or land safely every time.