T - F - T - T

thiếu "be" kìa bạn

If we walk or cycle, we will be healthy.

If you make noise, your sister won't sleep

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First conditional sentence: S + V (hiện tại đơn) + O, S + will V (tương lai đơn) + O.

The young man who borrowed my motorcycle yesterday has worked in this factory since2020

Most students tried to concentrate on studying for the coming entrance exam.

Global warming  that happens over many years is a show change

I am happy because I have recieved your letter

I have never traveled by air

Mum and dad, may I have a party?

Can you help me with my homework, Alice?

Could you show me where the changing rooms are, please?

Can I borrow your mobile phone to make a call, Jane?

Teacher, May I leave school early?

Could you help me mend my bike, dad?

3. cloud, not could

B. Trọng âm thứ 2. CÒn lại là trọng âm thứ nhất.