Viết lại câu sao cho nghĩa ko đổi

1. They have just sent an ambulance to the school

=> An ambulance ...

2. ''There are flights from Nha Trang to HN twice a week" they said to me

=> They told me ...

3. It's 3 years since I last saw Nam

=> I haven't ...

4. Keeping the environment clean is very important

=> It's ...

5. Learning E is very necessary

=> It is ...

Nếu được các bạn có thể cho mk công thức đổi luôn được ko ạ ~ Thanks nhìu ạ!!!

Viết lại câu sao cho nghĩa không đổi:

1. People say that they bought this shop last year

=> It is ...

=> They are ...

2. It's two years since I last spoke to her

=> I haven't ...

3. Despite working hard, he can't support his large family

=> Although ...

4. In spite of the bad weather, they had a wonderful holiday

=> Although ...

5. The planet is Venus. The planet is closest to the Earth

=> The planet which ...

Nếu được các bạn có thể cho mk công thức đổi luôn được ko ạ ~ Thanks nhìu ạ!!!

Sai ở đâu:

There's the woman who she sold me the handbag

Giúp mk với ~ It is nearly 3 months ... he visited his parents

A. While

B. During

C. Since

D. When

Các bạn cho mk hỏi là khi muốn nói cô ấy hơn tôi 1 tuổi thì ta nên dùng thế nào ạ:

- She is older than me for 1

- She is older than me to 1

- She is older than me 1 years old

Hay mấy cách trên đều sai, các bạn hướng dẫn mk vs ạ ~

\(x^5-3x^4+3x^3-x^2\)

Giúp mk vs ~

\(8x^3\) - \(\dfrac{1}{8}\) Giúp mk nha ~