As students, we should be concerned ______ environmental changes.
- About
- At
- For
- None of these
Explanation
The correct preposition with "concerned" in this context is "about", meaning to be worried or aware of something.
Example: We should be concerned about climate change and its effects.
Related MCQs
- To
- At
- For
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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