How can I conversation with English in this app?

Lion mentality. What's " mentality" The way of thinking of or behavior?

Facebook can be updated. What's " can " in this sentence. Ability or possibility?

My friend message me that “I will be visiting Hanoi on 17th April” I want to ask if she will travel for leisure or for business. What tense should I use? I’m asking about the future too so should I use future tense?

Fill in the gap

Hello!

Hello! Could you please help me to work out with this thing.. Is it ok to say : "Hey there!" in the video that I want to post on my social media for my subscribers? Thank you in advance

Want to practice Spanish,I can help, you can help me to speak English