Tham khảo:

 Bếp Hoàng Cầm ra đời từ chiến dịch Hòa Bình (1951 – 1952) và rất phổ biến trong chiến dịch Điện Biên Phủ.

1/ I love doing my homework.

2/ They like going to the cinema.

3/ We don't like watching TV.

4/ My sister doesn't like reading magazines.

5/ My dad enjoys listening to country music.

6/ They enjoy taking photos on holiday.

\(MgCO_3;KCl;BaSO_4+H_2O\)

- \(KCl\) phản ứng \(\rightarrow\) dd \(KCl\) \(\underrightarrow{bayhơinước}\) \(KCl\)

- \(MgCO_3;BaSO_4+H_2SO_4\)

  + \(MgCO_3\) phản ứng\(\rightarrow MgSO_4+Na_2CO_3\rightarrow MgCO_3\)

  + Lọc chất rắn \(\rightarrow BaSO_4\)

\(MgCO_3+H_2SO_4\rightarrow MgSO_4+H_2O+CO_2\uparrow\)

\(MgSO_4+Na_2CO_3\rightarrow MgCO_3\downarrow+Na_2SO_4\)

When she heard the phone ring, she _stopped_(stop) reading to answer it

1. Nam said she had been very upset at first but she was fine then.

2. Hoa said she didn't think taking risks too often was a good idea.

3. Hoa said he would take a cooking class before he went to college.

4. Hoa said she really wished she had could informed decision

5. Asked Thanh if he had seen her recently.

6. She said she couldn't sleep the night before.

1. does she?

2. doesn't he?

3. didn't they?

4. haven't they?

5. will you?

b

a,c,d phát sh

b phát âm ch