题目内容
She is making herself ill with _____ over her son's future.
A. trouble B. annoyance C. disgust D. worry
D
解析:
worry既可作动词用,也可以作名词用,意思是“忧虑”,后接介词about或over。worry over 比worry about对某事的忧虑更为持久,更为专注,如:He worries over the least thing that goes wrong.(他总是惟恐有一点小事出错。)
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