We decided to take rooms in Longwood House even though we knew we could not afford the rent. => In spite of the fact that we knew we could not afford the rent, we decided to take rooms in Longwood House.

"Why don't you spend your next summer holiday in Da Nang?" Nhat Anh said to Linh. => Nhat Anh suggested spending Linh's next summer holiday in Da Nang.

The number of students studying abroad has increased dramatically in recent years. => There has been a dramatic increase in the number of students studying abroad in recent years.

He has never taken part in a singing contest. => At no time has he taken part in a singing contest.

They don't have a laptop, so they can't do their English project in the class. => Were they to have a laptop, they could do their English project in the class.