单项选择题
She felt a bit ______ in the autumn air so she went in to fetch a coat.
单项选择题 He has just ______ to a letter from a friend of his in Japan.
单项选择题 An enlarged prostate may ______ the bladder and pinch off the urethra, causing pain and difficulty with urination.
单项选择题 Bill couldn't ______ an answer when the teacher asked him why he was late.
