Because, the phrase 'of mobility' clearly calls for the use of 'means'. The word approach usually requires the preposition 'to'.

I don't know who to trust in this forum anymore... You have got to stop thinking that there is only one way to say something in English. There are often many ways to communicate the same ideas. Some speakers prefer one way. Some prefer

I don't know who to trust in this forum anymore... You have got to stop thinking that there is only one way to say something in English. There are often many ways to communicate the same ideas. Some speakers prefer one way. Some prefer

would it be D. Conjuction. The main clause of the sentence is "it still contained helpful information" the dependent clause is the begining of the sentence joined by the main clause by the conjuction although. In

What is the general rule for this kind of phrasing? Invert subject and verb for direct questions. ( Where is the knife ? ) Do not invert for indirect questions. ( I have no idea where the knife is . ) In which room was the thing I was supposed to

If it's written communication, I'd encourage you to add "over" or "during." Through the use of inflection, a native speaker would make the meaning clear without the added preposition. But when it's written, the eye

What to use? Good luck to? or Good luck on? Or does it depend on the sentence? im confused when to use TO or ON with good luck.

thanks a lot. so it means, it is safer if i use OVER or DURING with this sentence? is that right? though the sentence is fine without it, in formal sentences, OVER or DURING must be used? thanks a lot! is this right? hope to get a reply from you!

Which is the correct one? Good luck to... or Good luck on...? For example, good luck TO/ON your married life. When do we use to or on with good luck? thanks

When you ask a question in English, normally you put the question up front, not at the end in a preposition. Say something like, "Why are visas more expensive here?" Also, "So" at the beginning is not all that good idea. At the