Đáp án:

1. Having listened to an introduction to the course, we asked some questions.
2. Some people cannot control their anger when drinking alcohol, thus they become violent.
3. Mai went to Soc Son to attend the Giong Festival.
4. It is John's pocket money that he is saving to buy a new phone.
5. Having not reported the effects of climate change, some scientists were accused of that.

Giải thích các bước giải:

1. Having listened to an introduction to the course, we asked some questions.

   • This sentence uses a perfect participle clause ("Having listened to an introduction to the course") to indicate that the action of listening to the introduction occurred before the action of asking questions. It helps to show the sequence of events.

2. Some people cannot control their anger when drinking alcohol, thus they become violent.

   • The linking word "thus" is used to connect the cause (not being able to control anger when drinking alcohol) with the effect (becoming violent). It helps to show the cause-effect relationship between the two statements.

3. Mai went to Soc Son to attend the Giong Festival.

   • A to-infinitive clause ("to attend the Giong Festival") is used to explain the purpose or intention behind Mai's action of going to Soc Son. It indicates that the reason for her visit was to participate in the Giong Festival.

4. It is John's pocket money that he is saving to buy a new phone.

   • This sentence uses a cleft sentences