---What can I do for you?---Our old sheets ________, we want to buy new ones.A. worn thin B.wearing thin C.have been worn thin D.having worn thin老师,这里是独立...
—What did Mr. Smith say about his career?—Only that if he ____ a millionaire, he would have fewer worries. A. did not becomeB. had not becomeC. does not becomeD. has not become求助各位高手,这题选什么?
There ought to be
less anxiety over the perceived risk of mountain climbing than ________ in the
public mind today.A exists B exist
C existing D existed这里答案说选的是A ,因为than后面引导比较状语从句省略主语anxiety所以后面用谓语动词exists .那这样我认为over就...
...with written rulesB. help people watch their own behaviorsC. force schools to improve student handbooksD. attract the police’s attention to group behaviors答案是B。请问:这里的复数形式的behaviors用得对吗?