The word “while” links ideas in a sentence. Practise using it to show two things happening together, or to show a contrast between two ideas.
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The cold is the reason for his absence; we could have made this link with 'since' or 'as', or (less likely) 'while'.
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The two facts we are given seem to contradict one another, so 'although' is needed here.
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'Doing one thing while doing another' may suggest that they go well together; or, as in this case, that they do not. (One might enjoy refreshments while watching a cricket match, for instance.)
'During' should be followed by a noun (or noun-group, or pronoun) rather than a full clause containing a verb. |
We could also say 'in spite of' ; but either version should only be followed by a noun or noun-phrase, rather than a full clause.
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The 'before ... ' clause itself can come on the front or the back of the sentence. In such a case as this, where you are effectively warning people, it makes sense to define the circumstances first ~ 'before' you go on to consider what may follow!
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'When' or 'once' would have been other ways to start this sentence in a similar sense.
An 'after ...' (or similar) clause can also go on the back of a sentence, if it makes just as good sense to put it there. |
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In this case the shortest Answer made the clearest sense!
'While' might have been another possible word here, but it carries a slight sense that some other time may come when people are not so worried about keeping safe. |
Answers 1 or 3 might make sense in certain circumstances (1: he has not been in contact because he is not in Europe any more; 2: he promised us he would make contact from the Far East, but for some reason he has not managed to do it) ... but No.4 is the most likely. It suggests that some time has passed, but you are still expecting him to make contact.
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This is not quite the same type of 'join' as most of the others, but it seemed to us to belong comfortably in this context.
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Please don't let the end of the Quiz stop you discovering, and using, these!
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