Attempts to persuade her to stay after she felt insulted wer
Attempts to persuade her to stay after she felt insulted were_____A.of no avail B.no avail Attempts to persuade her to stay after she felt insulted were_____ A.of no avail B.no avail 选什么?为什么?
be of + 名词 = be + 形容词,如: be of avail === be available; be of importance === be important 一般跟不可数名词,如:height, length, weight, importance等 希望对你有启发。如对你有帮助,请记得及时采纳