1 It is necessary for a student ______ in public.A to learn to speakB to study what to sayC to learn to talkD to study how to tell2.Could you pass me the knife_________.A to cut the cakeB to cut the cake withC cutting the cakeD cutting the cake with 我选B,很不确定3._________whom was the book"The True Story of Ah Q"written?AWith B By C To D At 我直觉是选A,4.Since no one _______ make mistakes,you should give him a chance.A doesn't B don't Cdidn't Dwon't是A还是C我们马上第一

第一题选A
第二题选B
第三题选B
第四题选C

1、A it is necessary for sb to do sth ,learn to do sth , speak in public
2、B pass sb with sth
3、B 句子可以写成the book "..."was written by whom
4、D C肯定不对，没有过去时的意思。选D固定用法

1.A.say tell talk都是及物动词,不能在本句中使用.
2.A.不定式表目的，不定式后不能用with.
3.B.
4.c.

1.A,在公共场合讲话，speak
2.A，to引导的目的状语
3.B，written by由...写的，固定搭配
4.C，虚拟语气用过去时

第一题选A第二题选B第三题选B第四题选C第一题区别Speak,talk,say,tell的用法speak是较为正式的在公开场合的演说,speak to sb 同某人讲话..say是最为普遍通用的说,可说say something或say something to somebody,say...

1L,2和4貌似不对哦
不定式也可以有介词的吧 THE PEN TO WRITE WITH
还有这里since是原因状语从句的吧。。

1 A（学会在公共场所说话用SPEAK）
2 A（ 动词不定式作目的状语，不用WITH）
3 B（BE WRITTEN BY SB 由某人写的）
4 C（SINCE后用过去时）