I can't forget the time the earthquake happened in Yushu.A. when B. which C. where
People should _____ from throwing the rubbish everywhere .
Many accidents _________ by careless drivers last year .
No news ______ good news.
_______ hard work it is! I can’t do it by myself.
----- Will your brother go for a picnic this Sunday? ---- If I don’t go, ________.