It is relatively easy to spot a gerund, given that it looks like a verb + ing. Having that in mind, the gerund here is drinking from the tap. This gerund acts as the subject of the sentence, which you can easily determine by asking the question What is perfectly safe?, and the answer will be Drinking from the tap - that's how you know it is the subject.
So, the correct answer is drinking from the tap/subject.
Her footprints look strangely uneven, with long deep marks. Anna must have been dragging her injured leg.
Answer:
Maybe "delicious" or "amazing?"
Explanation:
Answer:
when we are conducting a research we can annotate or type on the slides
Explanation: