用call的适当介词填空1.All ship sailing on the oceans call____help by radio in English.2.We have to call___our trip to Europe because it costs too much.

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用call的适当介词填空1.Allshipsailingontheoceanscall____helpbyradioinEnglish.2.Wehavetocall___ourtriptoEurope

用call的适当介词填空1.All ship sailing on the oceans call____help by radio in English.2.We have to call___our trip to Europe because it costs too much.
用call的适当介词填空
1.All ship sailing on the oceans call____help by radio in English.
2.We have to call___our trip to Europe because it costs too much.

用call的适当介词填空1.All ship sailing on the oceans call____help by radio in English.2.We have to call___our trip to Europe because it costs too much.
for
off

  1. call for help: 求救 

  2. call off:取消

    第一句译文:所有航行在海洋上的船只都是通过无线电用英文求救的

    第二句译文:由于花销太大我们不得不取消欧洲之行