Scientists generally agree that earth’s climate will warm up over the next 50 to100 years_____ it has warmed in the 20,000 years since Ice Age.
We had to be patient because it___some time ___we got the full results.
He lived in poverty, and he couldn’t help ___.
I took ___for granted that he would believe in us.
___used to be thought that the earth was square.
Does___matter whether he can finish the job on time?