Susan advised me not to buy the vase, but I bought it _____.

李明同学说话喜欢引经据典，在下面几种情境讲话时，他引用的古诗文恰当得体的一项是（ ）

Platypus is a strange animal that lays eggs butmilkits young．

30.Nothing is wrong with theradio___________31.

whole class, _____ our headteacher, went out to give our school a spring-cleaning the other day