Fill in the blanks with a vowel.
Vowels are: a, e, i, o, u and sometimes y.
M_nd_y
T_ _ sd _ y
W_ d n_ s d_y
Th _ rsd _ y
Fr _ d _ y
S _ t_ rd _ y
S _ n d _ y
If you don't know, the best thing is to Google this on the internet.
The question you would write is:
What are the days of the week in English?