Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.
It was in the small house _________ was built with stones by his father _________ he spent his childhood.
It was what he meant rather than what he said _________ annoyed me.
“How was _________ they discovered the entrance to the underground palace?” “Totally by chance.”
It was lack of money, not of effort, _________ defeated their plan.
It’s more than half a century _________ my grandfather joined the Party and became a servant to the people.