1. Many countries face the problem of overpopulation

2. They really know the cause of that disease

3. Do these narrow streets support more traffic?

II. Đặt câu hỏi cho phần gạch chân

1. Which festival do you like more, flowers festival or fireworks festival ?

2.  How do you usually celebrate her birthday ?

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1.Many countries are facing up to problems of overpopulation, aren't they?

2.They really don't know the cause of that disease, do they?

3.These narrow streets can't support more traffic, can they?

Đặt câu hỏi cho phần gạch chân

I like flowers festival more than firewworks festival ( flowers festival more than firewworks festival)

⇒Which festival do you like more, flowers festival or firewworks festival?

I usually celebrates her birthday with a pary ( with a party)

⇒What do you usually celebrate her birthday?