weather与if的差别
<p>问题：weather与if的差别<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">丁钢的回答：<div class="content-b">网友采纳 1.if和whether在宾语从句中,都表“是否”,可换用,if更口语化,whether正式些.当有ornot时,一般用whether,而不用if.Hewantstoknowif/whetheryoucanhelphim.Shewonderswhetheryou'llgoornot.2.if可引起...
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