单项选择题
Not until recently（）the development of tourist-related activities in the rural areas.
A.they had encouragedB.had they encouragedC.did they encourageD.they encouraged
单项选择题 I don’t think the gold ring（）the price．It’s（）twenty dollars at the most．
单项选择题 Your composition is good but your handwriting still requires （）.
单项选择题 Good morning，Jay.This is Kevin.I’m phoning to（）.
