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.
There are usually at least two _____ of looking at every question.
He left in such a hurry that I _____ had time to thank him.
We had a marvelous holiday: only the last two days were slightly _____ by the weather.
I could tell he was surprised from the _____ on his face.
I'd like to take _____ of this opportunity to thank you all for your cooperation.