高中语法综合练习149.--Did you see Tom?He said he would come back for supper at six o'clock.---He seems ( ) with his friends in the lakeA.to swim B.to be swimming C.to have swum D.swimming
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![高中语法综合练习149.--Did you see Tom?He said he would come back for supper at six o'clock.---He seems ( ) with his friends in the lakeA.to swim B.to be swimming C.to have swum D.swimming](/uploads/image/z/11571026-50-6.jpg?t=%E9%AB%98%E4%B8%AD%E8%AF%AD%E6%B3%95%E7%BB%BC%E5%90%88%E7%BB%83%E4%B9%A0149.--Did+you+see+Tom%3FHe+said+he+would+come+back+for+supper+at+six+o%27clock.---He+seems+%28+%29+with+his+friends+in+the+lakeA.to+swim+B.to+be+swimming+C.to+have+swum+D.swimming)
高中语法综合练习149.--Did you see Tom?He said he would come back for supper at six o'clock.---He seems ( ) with his friends in the lakeA.to swim B.to be swimming C.to have swum D.swimming
高中语法综合练习1
49.--Did you see Tom?He said he would come back for supper at six o'clock.
---He seems ( ) with his friends in the lake
A.to swim B.to be swimming C.to have swum D.swimming
高中语法综合练习149.--Did you see Tom?He said he would come back for supper at six o'clock.---He seems ( ) with his friends in the lakeA.to swim B.to be swimming C.to have swum D.swimming
B.
因为:
seem to be doing sth表示不定式的动作和主句中seem是同一个时态,比如,He seems to be doing his homework.他好像正在做作业;
seem to do 表示不定式的动作发生在主句动词seem之后,比如It seems to rain.好像要下雨了.rain的动作,是发生在seem之后的;
seem to have done sth表示不定式的动作发生在主句动词seem之前,比如 she seems to have finished her homework.她好像做完了她的家庭作业.finish的动作发生在seem之前
B