Answer:
26.We live in Ha Noi.
⇒Where do you live?
27.I'm thirteen years old.
⇒How old are you?
28.There are thirty students in his class.
⇒How many students are there in his class?
29.Minh goes to bed at 10.00.
⇒What time does Minh go to bed?
30.They are in thier classroom.
⇒Where are they?
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@Candy