Having used group chat to share answers during the test, the professor decided to cancel the test scores.

Since he left his house, Tom has not talked to his parents for more than 6 months.

Because the students were unprepared for their exam, they asked their professor for a delay.

While the massive fire approached the Oak Glen community, fire fighters used fixed wing aircraft and helicopters to drop water and flame retardant on the hot spots.

Since Earth is approaching a population of 10 billion people, people must learn to recycle and to grow their own crops.

Before I left on my vacation, I took my pets to my neighbor who will look after them.

After Naif completed his research project, he presented his findings to the Education Graduate Committee.

After I put up the Halloween decorations, I decided to go to Walmart to pick up some groceries.

Before Hank was able to play a game of basketball, he went through a series of stretches to warm up his muscles.

Before starting the game, the players listened to the national anthem and saluted the flag.

Since he left work, Mohammed has been playing video games at home.

Because the student had been close to someone who had the deadly Coronavirus, she was quarantined for two weeks.

Because she had finished her undergraduate studies, Maria decided to interview for a job as an intern for a politician in Washington D.C.