英语难题讲解一下每道题的思路与语法句型40.Idon'tknowornot.（）A.whetherwillhecomeB.ifwillhecomeC.ifhewon'tcomeD.whetherhewillcome42.—Dad,doyouknowwhen?（）—Atseventhismorning.A.t

Question

英语难题
讲解一下每道题的思路与语法句型
40.I don't know ________ or not.（ ）
A.whether will he come B.if will he come
C.if he won't come D.whether he will come
42.— Dad,do you know when ________?（ ）
— At seven this morning.
A.the football game will start B.the football game start
C.is the football game going to start D.shall we start the football game
43.It will be a long time ________ Peter ________ his work.（ ）
A.since; has finished B.after; finishes
C.when; will finish D.before; finishes

Answer 1

D
A
D
前两句都是把整个句子作为宾语,那么这个时侯疑问句形式要变回一般形式,因此第一题选D第二题选A
最后一句从单词意义上就可以区分开来,before表示在……之前,而finishes用一般时并不错,因为一般时有时也可以用来表示将来一小段时间内可预见的动作