according to our(),the books should now be returned to the library a.record b.recorded 填哪个
问题描述：
according to our(),the books should now be returned to the library a.record b.recorded 填哪个
there are many()classes and night classes a.train b.training 填哪个请解释
答
a.record 作介词宾语,用名词
b.training 作定语,用形容词