Select a suitable preposition to complete the sentence:
The boss was _________ us yesterday afternoon.
The preposition ‘with’ is used to indicate being in the company of someone/something. In the given sentence the boss was ‘with’ them, as in the boss was in the company of his workers. Hence option B is correct. Whereas ‘besides’ means ‘apart from’ or ‘in addition to’ which is not a suitable answer in the context. The boss cannot be 'apart from' the workers, so option A is incorrect. On the other hand, both ‘to’ and ‘towards’ are used to speak about a movement from one point to another. This the sentence doesn’t speak about a place or direction, so options C and D are incorrect.