帮我解决几道高三英语语法题

奉贤：

选D错选C34.Contrarytotheopinionofthemembers,thepresidentshouldappoint________hethinkscandothejobmostadequately.

A.whoB.whomC.whomeverD.whoever

选A错选C35.ThevocabularyandgrammaticaldifferencesbetweenBritishandAmericanEnglisharesotrivialandfewashardly_________.

A.tobenoticedB.noticedC.beingnoticedD.tonotice

选D错选D36.Weshouldpaygreatattentiontosafetyinschoolsbecauseoffrequentreportsaboutaccidents_______studentsgotinjuredorkilledwhileinschool.

A.inwhichB.forwhichC.whichD.that

选D错选B38.IwasmuchimpressedbygreatchangesandfastpaceoflifeinShanghai______Icametovisitthisfantasticcity.

A.atthefirsttimeB.forthefirsttimeC.bythefirsttimeD.thefirsttime

选D错选C40.Ifyouaretraveling_______thecustomsarereallyforeigntoyourown,pleasedoastheRomansdo.

A.inwhichB.whatC.whenD.where

普陀：

选D错选A25.Doingyourhomeworkisasurewaytoimproveyourtestscores,andthisisespeciallytrue______itcomestotheclassroomtests.

A.beforeB.asC.sinceD.when

选D错选B30.,Ithink,andalltheproblemscouldbesettled.

A.IfyoumakemoreeffortsB.Makingmoreefforts

C.AbitmoreeffortD.Tohavemademoreefforts

选D错选B34.---Whydidyouputthewoodnearthefire?It’sdangerous.

---Don’tworry.Wetwoodwon’t_______.

A.burntB.beburntC.beburningD.burn

选D错选C38.Thegrowthofpart-timeandflexibleworkingpatterns,andoftrainingandretrainingschemes,_______morewomentotakeadvantageofemploymentopportunities.

A.haveallowedB.allowC.allowingD.allows

请帮我写出主要的原因和排它的过程~最好有语法点谢谢啦~