Question

We are looking forward to (receive) __________your letter again.

Answer 1

【答案】receiving

【译文】我们盼望着再次收到你的来信。

【考点】固定搭配

【解析】在短语look forward to中，to是介词，所以应接动名词形式，即receiving。注意，要和to do不定式中to后面加动词原形区分开来，避免在做题时误选。