Your situation happen to me when i was new in crpyto i have alot of airdrop that signed up but only few of them will true and give you token but i never give up i think you're not reached the airdrop that has a potential and good price like hydro, haven,arb,and dropil don't give up just be patience and choose the good project you wanted to join ask your friends or other if you don't know the project it will help you.