吉林东南部长白山林海里,赵希海从退休前4年开始默默地上山植树造林,直到近年才被发现。退休至今的20多年中,亲手栽下18万株绿树,为国家捐献树苗48.25万株。他的高尚情操集中体现在
Her good health is chiefly due to proper diet and _____ exercise.
I really appreciate____ to help me with my maths, but I’m afraid that I have no time this week.
It was April 29, 2011_____ Prime William and Kate Middleton walked into the palace hall of the wedding ceremony.
The Nile River ____ flood large areas but now the water ____ produce electricity.
So difficult ____that no one could ___ a good solution to it.