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.
小题1:conclusion
小题2:Fold
小题3:guide
小题4:applied
小题5: impression
小题6:inform
小题7:lack of
小题8:in place
小题9:accused of/ charged with
小题10: ahead of
小题11:concentrate on/focus on
题目分析：
小题1:句意：警方得出结论这个事故是由于认为失误造成的。考查名词“结论”：conclusion
小题2:句意：在把信放在信封里面的时候，把信折叠。考查动词“折叠”：Fold
小题3:句意：年轻人需要成年人指导他们。考查动词“指导”guide
小题4:句意：我向四个外国的大学申请，他们都接受了。考查动词“申请”，apply，因为后面用了was，所以用过去式：applied
小题5:Sally凭借她的技术好个性给我们留下很深的印象。考查名词“印象”： impression
小题6:句意：请通知我们药学方面的最新的发展。考查动词“通知”：inform
小题7:考查词组“缺乏”lack of，这里的lack是名词
小题8:考查词组“把…放回原处”：in place
小题9:考查词组：“被指控…”be accused of/ charged with
小题10:考查介词短语“在…前面”：ahead of
小题11:考查词组：“集中精神”concentrate on/focus on