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0
votes
2answers
110 views

“The first step in making” vs. “the first step on making” vs. “the first step at making”

I have this sentence: I strongly believe that the first step in making the most efficient solution for any problem is analyzing it well. Would it be better to use either of the following? ...
0
votes
1answer
3k views

Contact us “on” or “at” [duplicate]

I would like to know what is the correct form and the use for inviting peoples to calling you by phone, specially in the context of written materials). Contact us on +123 123 123 Contact us ...
17
votes
6answers
68k views

“Call me through/at/on this number”

What is the difference between the following when referring to telephone calls? Please call me on this number. You can reach me on this number. Please call me at this number. You can reach ...
2
votes
2answers
12k views

“Call on” or “call at” or something else? Which is appropriate?

Which one of following sentence is correct? You can call me on my cell. You can call me at my cell. Or is there some other preposition? Or both are right?