a. today our lectures don't begin at 10 o'clock
b. we don't study six days a week
c. my friend doesn't live in a hostel
d. usually i don't get up at 7 o'clock
e. on sunday i don't visit my friends
a. today our lectures don't begin at 10 o'clock
b. we don't study six days a week
c. my friend doesn't live in a hostel
d. usually i don't get up at 7 o'clock
e. on sunday i don't visit my friends