问题标题:
thequestionis---tolandonthegrasslandA.ifitissafeB.ifisitsafeC.whetherisitsaftDthequestionis---tolandonthegrasslandA.ifitissafeB.ifisitsafeC.whetherisitsaftD.whetheritissafe
问题描述:
thequestionis---tolandonthegrasslandA.ifitissafeB.ifisitsafeC.whetherisitsaftD
thequestionis---tolandonthegrasslandA.ifitissafeB.ifisitsafeC.whetherisitsaftD.whetheritissafe
何宏宏回答:
选D
只有引导宾语从句时,IF和WHETHER是可以通用.
主语或表语从句只能由WHETHER引导,IF不可以的.但IF还可以引导条件状语从句.