1.When i was a child,i used to believe that disaster --- if

1.When i was a child,i used to believe that disaster ___ if a mirror was broken.a.was sure of striking.b.was sure to strike.2.___ some exams to worry about,i have to work really hard this weekend.a.with b.as for3.can you tell us ___ with your present situation?a.what the matter is b.what is the matter c.what's wrong.d.what wrong is(本题可多选）4.in his article,you can feel the ___ of two different cultures.a.crash b.hit.c.contest d.collision5.that picture looks better___.a.in a distance b.at a distance.6.why don't you ___ that problem aside for a moment,and work at it later when your mind is fresher?a.lay b.take c.place d.push我需要具体用法的解释.