I am looking forward to

Question

I am looking forward to _____ from you at your earliest convenience.


1.hearing 2.hear 3. heard 4. have heard



請整句翻譯

包含1.2.3.4的選項也要翻譯

Answer 1

我希望你儘快跟我聯絡。
只有一是對的
這是表達的問題，書信裏也是這樣寫的。

Answer 2

Only 1 is correct.

The word 'to' is a preposition here. It must be followed by a noun, a pronoun or a gerund.