A.) Why is the disappearance of Flight MH370 a mystery? Please elaborate on your answer.

Before it made the last take-off, Flight MH370 had no mechanical defect and the weather condition was good. 

Satellite recordings prove that it continued to fly for several hours after it took off. 

Those would be the reason why its disappearance is said to be a mystery.      

=>  Before the last take-off, Flight MH370 had no mechanical defect and the weather was good. 

Satellite recordings prove that it continued to fly for several hours after it took off. 

Those would be the reason why its disappearance is said to be a mystery.      ​

B.) Make these sentences into English.

01/06/22)

1. 저희는 10명의 직원들과 투자 회사로 시작했었습니다.

We started as an investment company with 10 staff.  ✔

​

2. 본사는 서울에 있습니다.

Our head office is in Seoul.  ✔

​

3. 북미에 여러 개의 대리점을 가지고 있습니다.

We have a number of agencies in North America. ✔​

• Corrected: The sentences are corrected grammatically.