Answer:Almost 50 percent of head injuries that happen during sports activities occur while bicycling, skateboarding, or skating.
Explanation:
Answer:
Samus drank tea with a polite gnome in the forest.
Because polite is an adjective describing the noun "gnome", you don't need the comma between the adjective and noun.
Hope this helps!
The answer is option D: adverb.
<em>Sometimes </em>is an adverb of frequency, which indicates how often something happens. Adverbs of frequency are usually used for repeated or periodic activities, so they often go with the present simple tense. Other examples of adverbs of frequency are: <em>always</em>, <em>usually</em>, <em>often </em>and <em>never</em>.
Overall, this sentence seems correct to me.