Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled. [ ]
There will be some special courses in our school. Why not ____ English drama–Great! It’s a good way ____ spoken English and performing skills.
下列各句中加点的成语的使用全都正确的一项是①正是严冬天气,彤云密布,朔风渐起,却早沸沸扬扬卷下一天大雪来。②中国诗一蹴而至崇高的境界,以后就缺少变化,而且逐渐腐化,这种现象在中国文化里数见不鲜。③校运动会上,他以绝对优势荣获800米比赛第一名,这真是一件大快人心的事。④近十年来,我这个普通焊工,不敢说目无全牛,但凡电焊上的活,没有能难住我的。⑤古希腊的德勒菲的著名巫师在对宇宙未来的预言上以模棱两可而臭名昭著。⑥日薄西山的时候,我们终于到达了目的地。
If I work hard at all my lessons from now on, will I do better in them—Sure, ____________________.
I really don’t know _________ I had mymoney stolen.