I sent a big bunch of flowers to the nurse as an ________ of thanks for her taking good care of my grandpa in the nursing home.

I must be getting fat —I can____do my trousers up．

There is plenty of food，water and sunshine，and our friends are living there，________.

I came home very late last night , __________ , early this morning.

(2013·辽宁，23)The accident caused some________to my car，but it's nothing serious.