$\text{# Huệ Quân}$.

2. I'm sorry to hear your bad news upsets.

$\rightarrow$ Nghĩa: sorry: xin lỗi.

3. The number of people using public transport has dropped slightly.

$\rightarrow$ Chuyển thành trạng từ sau ĐT.

4. I'm busy revising from exam at the moment.

$\rightarrow$ Câu chủ ngữ không ngôi.

5. As there was an increased demand for travel, the goverment decided to invest in building the very first metro system.

$\rightarrow$ As: vì có cái gì $\rightarrow$ hành động.

Hết. Chúc bạn học tốt.

Gửi bạn ạ

2. I'm sorry to hear your bad new upsets.

3. The number of people using public transport has dropped slightly.

$\rightarrow$ Chuyển Trạng từ vào câu.

4. I'm busy revising for exam at the moment.

5. As there was an increased demand for travel, the goverment decided to invest in building the very first metro system.

$\rightarrow$ As: Vì.