高一两道英语定语从句的句子,求大神
1.I must make full use of the time ( )left to me and do as much as I can to make progress.A which. B that. C there is. D when为什么选C,B哪里错? 2. The building over there is a library ,()is a department store . A where. B west of which. C to the west of it. D in the west of which 为什么选B,D哪里不对?