原句:A desire to sell gold appeared to have been worsened by thinking that concerns about the Greek economy have somewhat eased. 此句中可以用appear to be 吗?Appear to have done 和appear to do 有何区别?谢谢老师精彩解答。
Thus, the road performance of SOF is considered safe even at some undesirable conditions.该句中,the road performance of SOF是主语,is considered 是谓语,那safe岂不是形容词作宾语了吗?