Exercise 10:
1.My father came home last night when my mother was cooking dinner.
2.I found these photos while I was cleaning out my cupboards.
3.As soon as we saw the fire, we immediately called the security guards.
4.I usually go jogging in the morning.
Exercise 11: 1.Many people will replace human translators with translation machines in the future.
2.Marie Curie and Pierre Curie discovered radium and polonium in 1914.
3.Our manager usually uses Google Meet to make video conferences.
4.Nano learning will help students learn effortlessly in the future.
Exercise 12: .1.Nam said that he was going to the club that day.
2.Mary said that they couldn’t connect to the internet to work online there.
3.John said that science was becoming important at that time.
4.The teacher said that they would use a machine to work the next day.
5.Mr. Minh said that he had to go then.
Exercise 13:1.My brother always wakes up early in the morning.
2.She said that she would go to the market the next day.
3.At 7 p.m. yesterday evening, my mother was cooking dinner.
4.As soon as I arrive at the airport, I will call you.