what is the "luc"?? I did the sentence without looking at the drop-down, but afterwards when it said it was supposed to have "luc" in there I looked at every single word, and NONE of them said "luc," so what is it supposed to mean?!?
Luc means AT when referring to time... Kinda: at the time of
I don't think lúc is necessary here.
sounds better with than without. it seems quite informal to leave it out.
I don't think English really diferentiates usually / regularly... Is there a rule about the different use of: Bình thường and thuong xuyên ?
Is 'lúc' necessary here? I see other sentences using mấy giờ it is not required.