根据下列句子语境及所给汉语注释，横线上写出空缺处各单词或词组的正确形式。
小题1:The police drew a ________ (结论) that the accident had been caused by human error.
小题2:_______(对折)the letter in two before putting it in the envelope.
小题3:Teenagers need adults to ________ (引导) them.
小题4:I ________ (申请) to four foreign universities and was accepted by all of them.
小题5:Sally made a deep ________ (印象) on us with both her skills and personality.
小题6:Please ________ (通知) us of the latestdevelopments in medicine.
小题7:由于缺钱，他没有上大学。
He didn’t enter university because of ______ ______ money.
小题8:图书管理员把还回的图书放回原处。
The librarian put the returned book ______ ______ .
小题9:警方指控他谋杀。
He was ______ ______ murder by the police.
小题10:诗人是在最后期限的前几天完成这这首诗的。
The poet finished the poem several days ______ ______ the deadline.
小题11:吵闹声不绝于耳，我根本无法集中精神学习。
I can’t ______ ______ my studies with that noise going on.