( ) Why not ____ your teacher for help when you can’t finish ___ it by yourself 选哪个 为什么A.ask;write B.to ask;writingC.ask;writing D.asking;write

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()Whynot____yourteacherforhelpwhenyoucan’tfinish___itbyyourself选哪个为什么A.ask;writeB.toask;writingC.ask

( ) Why not ____ your teacher for help when you can’t finish ___ it by yourself 选哪个 为什么A.ask;write B.to ask;writingC.ask;writing D.asking;write
( ) Why not ____ your teacher for help when you can’t finish ___ it by yourself 选哪个 为什么
A.ask;write B.to ask;writing
C.ask;writing D.asking;write

( ) Why not ____ your teacher for help when you can’t finish ___ it by yourself 选哪个 为什么A.ask;write B.to ask;writingC.ask;writing D.asking;write
C
why not=why don't you,后面接动词原形
finish doing sth,用ing形式

C
why not + 动词原型,为什么不
finish+动词ing,完成做某事
都是固定搭配。

C. ask;writing
why not后直接跟动词原形,finish后跟动名词