Every possible means ________, but the teacher as well as the students ________ found a solution to the problem yet

Usually naughty boys try to ___ the teachers’ attention by making a lot of noise in class.

对下列文化常识判断错误的一项是（ ）

No product is allowed to go into the market if it fails to _____ the quality standard. [ ]

We were so ________by the girl’s story that we couldn`t stop ________.