Which tense is correct? (Thì nào đúng?)

III. Which tense is correct? (Thì nào đúng?):
1. “Did you phone Jack?” “Oh no, I forgot. I phone / I‟ll phone him now.”
2. We can‟t meet her tomorrow morning. I‟m playing / I‟ll play table tennis.
3. “I meet / I‟ll meet them in my office in one hour, OK?” “yes, that‟s fine.”
4. “We need some money.” “Ok, I‟m lending /I‟ll lend you some. How much do you want?”
5. We‟re having / We‟ll have a get-together next weekend. We hope you can come.
6. “Remember to take an umbrella with you when you go out.” “Ok. I don‟t forget / I won‟t 
forget”.
7. What time does your plane leave / will your plane leave tomorrow?
8. I asked John what happened but he doesn‟t tell / won‟t tell me.
9. “Are you doing? Will you do anything tomorrow afternoon?” “No, I‟m free. Why?”
10. We don‟t want to go out alone. Do you come? Will you come with us?