I normally don't get up that early. (correct) Long time no see. (correct, it is an idiom) I will try my best. (correct) These three aren't correct. Here are the corrected versions: I can't speak German. Hope you have a nice day! It's only so-so. How to spell "strawberry"? (I guess it could be correct if you were speaking to yourself e.g. So now, how to spell 'strawberry?" If you want to ask someone else how it should be spelt you should say 'How do you spell "strawberry?"

I can't speak Gernamy. --> I can't speak German Wish you have a nice day! --> Hope you have a nice day! I normally don't get up that early. -- Fine as-is, emphasis is on the *that* when you say it It's just so so. --> It's just so-so. Long time no see. -- Fine How to spell "strawberry"? -->Okay, in the sense of saying out loud (or recreating in writing) something that you're thinking about {internal reflection}, as in: "Hmm...how to spell "strawberry"...S-T-R-A-W...is it one R or two?..." But as a question, "How do you spell strawberry I will try my best. -- Fine