题目内容
【题目】The little girl asked her mum .
A.when will her baby teeth start to fall outB.when her baby teeth would start to fall out
C.when would her baby teeth start to fall outD.when her baby teeth will start to fall out
【答案】B
【解析】
句意:小女孩问她妈妈她的小牙齿什么时候会掉出来。
这里是宾语从句,用陈述语序,排除AC;主句中asked是过去式,从句用相应的过去时态,根据语境可知是将来时,这里用过去将来时,用would+动词原形。根据题意,故选B。
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