I need some help.For 25,should I choose "is good for"or"are good for",or both,and I hope I can receive the reason,thank you 😊!

B or D which one is correct?Thank u!😊

Hi,guys!For number 20,which one should I choose,A or D?Thank u 😊

我会中文，想找一个说英文的小伙伴，如果你有兴趣的话，那么请随时告诉我，谢谢！ I can speak Chinese, wanting to look for a partner speaking English.If you are interested in it, please feel free to tell me, thank you ！

A question Can "waiter "be used to refer to a female who works in a restaurant ？