Decide whether the following sentences are Correct or Incorrect in terms of grammar

Bài 2. Decide whether the following sentences are Correct or Incorrect in terms of grammar.
Question 1: She will never make those stupid mistakes again, won't she?
Question 2: Higher birth rate is one reason for population growth, isn't it?
A. Correct
A. Correct
A. Correct
A. Correct
A. Correct
A. Correct
A. Correct
Question 3: They can't take care of their children, do they?
Question 4: Hanoi and Ho Chi Minh city are overcrowded cities in Vietnam, is it?
Question 5: They have moved to the city to look for jobs, haven't they?
Question 6: Everyone is waiting in line for the bus, is he?
Question 7: She's been studying a lot recently, isn't she?
Question 8: People speak English all over the world, does he?
Question 9: You never come on time, do you?
A. Correct
A. Correct
B.
Incorrect
B. Incorrect
B. Incorrect
B. Incorrect
B.
Incorrect
B.
Incorrect
B. Incorrect
B. Incorrect
B. Incorrect