常見例句雙語例句A. be sure to do sth.表示 “必然做某事”或“一定會(huì)……”。edu.sina.com.cnB be sure to do sth.有把握做某事,一定能干某事。Be sure to do sth.意思是“肯定會(huì)做某事”。 返回 be sure to do sth