使用介词加句子的英语开头，可以按照以下步骤进行：
1. 确定要使用的介词：常见的介词包括如about，at，for，in，on，with等。
2. 确定要添加的句子成分：需要明确介词需要与哪个句子成分搭配。
3. 构建句子：根据所选介词和句子成分，构建一个完整的句子。
例如，如果你选择了介词“at”，并且想添加一个主语“你”和谓语“在阅读这本书”，那么可以写出这样的句子：“你在阅读这本书at此刻”。
记住，使用介词时需要小心，确保选择的介词与句子中的其他成分相匹配。另外，也可以多进行一些练习来提高自己的语言表达能力。
1、Whatareyouthinkingabout?
2、She"sgoodatplayingthepiano.
3、Whoareyougoingtothepartywith?
4、I"minterestedinlearninganewlanguage.
5、He"sresponsibleformanagingtheproject.
6、HaveyouevertraveledtoEurope?
7、She"safraidofspeakinginpublic.
8、We"reexcitedaboutgoingonvacationnextmonth.
9、Heapologizedforbeinglate.
10、Whatkindofmusicdoyoulistento?
11、I"mnotfondofspicyfood.
12、They"remarriedtoeachother.
13、He"sangrywithmeforforgettinghisbirthday.
14、Haveyoueverbeentoaconcertbefore?
15、She"sworriedaboutherupcomingexam.
16、I"mallergictopeanuts.
17、We"reproudofourdaughterforgraduatingfromcollege.
18、He"sfamousforhispaintings.
19、Whattimedoesthemoviestart?
20、She"stallerthanhersister.
21、He"stheownerofthecompany.
22、HaveyouheardofthenewrestaurantonMainStreet?
23、She"ssimilartohermotherinmanyways.
24、We"regratefulforyourhelp.
25、He"sdifferentfromhisbrotherinpersonality.
26、Whatareyouafraidof?
27、She"sresponsibletoherbossforcompletingtheproject.
28、They"resittingacrossfromeachotheratthetable.
29、He"sinterestedintravelingtoAsia.
30、Whatkindofbooksdoyouliketoread?
31、She"sgoodwithchildren.
32、We"regoingtothebeachfortheweekend.
33、He"swearingaredshirt.
34、Haveyouevertalkedtoacelebritybefore?
35、She"sinlovewithhim.
36、We"rehappyforthemgettingengaged.
37、He"sresponsiblewithmoney.
38、Areyoufamiliarwiththisarea?
39、She"snicetoeveryoneshemeets.
40、We"releavingfromtheairportat6am.
41、He"slookingatthescreeninfrontofhim.
42、Haveyoueverwrittenabookbefore?
43、She"sclosetohersister.
44、We"resorryabouttheinconvenience.
45、He"safraidofspiders.
46、Doyouwanttogoforawalkwithme?
47、She"swearingagreendress.
48、We"reexcitedforthenewmoviecomingout.
49、He"sgoodatmath.
50、Haveyoueverbeenonarollercoaster?
51、She"shappyforherfriendgettinganewjob.
52、We"rewaitingforthetraintoarrive.
53、He"sfromSpain.
54、Canyoutakeapictureofus?
55、She"swalkingtowardsthecar.
56、We"regoingtothemuseumonWednesday.
57、He"stalkingtohisfriendonthephone.
58、HaveyoueverbeentoaBroadwayshow?
59、She"sinfrontofthemirrorputtingonmakeup.
60、We"rethinkingaboutmovingtoanewcity.
61、He"sathomewatchingTV.
62、Areyoureadyforthemeeting?
63、She"splayingwithherdoginthepark.
64、We"rehappywiththeresultsoftheproject.
65、He"sgoingtotheconcertwithhisgirlfriend.
66、Haveyouevertriedsushi?
67、She"saloneinthehouse.
68、We"rewaitinginlineatthestore.
69、He"sinterestedinlearningabouthistory.
70、Doyouneedhelpwithanything?
71、She"sdancingtothemusic.
72、We"rerunninglatefortheparty.
73、He"sstudyingforhisexamtomorrow.
74、Haveyoueverbeentoabaseballgame?
75、She"snexttoherfriendatthemovietheater.
76、We"retravelingtoEuropenextyear.
77、He"sgivingapresentationinfrontoftheclass.
78、AreyoufreeonSaturday?
79、She"slookingforherphoneinherpurse.
80、We"reworkingontheprojecttogether.
扩展阅读：
1、班主任个人管理工作述职总结优秀精选（共13篇）7-6-83
