【高中语法综合练习149.--DidyouseeTom?Hesaidhewouldcomebackforsupperatsixo'clock.---Heseems()withhisfriendsinthelakeA.toswimB.tobeswimmingC.tohaveswumD.swimming】
更新时间：2026-09-29 22:58:41
问题描述:
高中语法综合练习1
49.--DidyouseeTom?Hesaidhewouldcomebackforsupperatsixo'clock.
---Heseems()withhisfriendsinthelake
A.toswimB.tobeswimmingC.tohaveswumD.swimming
蔡成森回答:
B.因为：seemtobedoingsth表示不定式的动作和主句中seem是同一个时态,比如,Heseemstobedoinghishomework.他好像正在做作业；seemtodo表示不定式的动作发生在主句动词seem之后,比如Itseemstorain.好...