The correct answers are-
I look forward to seeing you. ( Formal)
I am looking forward to seeing you. ( informal)
I look forward to see you – it has been incorrect since, here, to is a part of an adjective and therefore the, verb should be – ing.
I came to office on foot- is the right expression. There is no expression like – by walk or by walking.
‘Although’ is used as a subordinating conjunction: Used to introduce a subordinate clause that contrasts with the main clause. It expresses a concession or contrast.Examples:
“Much too” and “too much” have different uses in English: Much too: This phrase is used to emphasize a high degree of something, often followed by an adjective. For example, “It’s much too cold outside.” Here, it indicates that the …