2道英文选择题,简单说下原因

问题描述:

2道英文选择题,简单说下原因
56,If we work with a strong will,we can overcome any difficultly ______ great it is!A,what B,how C,however D,whatever 57,I am going to the post office.______ you are there ,can you get me some stamps?A,as B,while C,Because D,if

56,If we work with a strong will,we can overcome any difficultly ______ great it is!
C,however是副词 修饰 形容词 great引导让步状语从句 = no matter how
57,I am going to the post office. ______ you are there ,can you get me some stamps?
B,while 当...的时候.