问题
选择题
______everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．
A．Because
B．Since
C．While
D．If
答案
答案：C
while引导让步状语从句。
搜题请搜索小程序“爱下问搜题”
______everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．
A．Because
B．Since
C．While
D．If
答案：C
while引导让步状语从句。