1.a.She is a student.
->She is not a student
->Is she a student?
b.He is in class now
->He isn't in class now
->Is he in class now?
c.Lan often goes to the library after school.
->Lan doesn’t often go to the library after school.
->Does Lan often go to the library after school?
d.We go to the cinema three times a week.
->We don't go to the cinema three times a week.
->Do we go to the cinema three times a week?
e.Hoa is studying English with her friends now.
->Hoa isn’t studying English with her friends now.
->Is Hoa studying English with her friends now?
2.
a.There's some meat in the fridge
b.I bought a few books in the supermarket
c.Lan didn't go to school by bike today
d.What time does Hoa wake/get up?
xin hay nhất ạ!